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(Heavy)   If this 'Meteorite-Like Object' that just exploded over Cuba has any truth to it after the Russia meteorite and the other one that just missed us, Subby's going to look into bunkers   (heavy.com) divider line 79
    More: Scary, Russia  
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24410 clicks; posted to Main » on 15 Feb 2013 at 6:37 PM (2 years ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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Archived thread
2013-02-15 05:00:14 PM  
9 votes:
Thank God this didn't happen 30 years ago.  No way the nukes would have stayed on the launching pads.
2013-02-15 05:30:21 PM  
7 votes:
Big meteor that fell from the sky but didn't do anything?  Meh, call me when windows shatter again.

Listen guys, tens of thousands of meteorites that are >10 grams hit the Earth every day.  Just because you didn't stop to think about it doesn't mean this is a new thing, just usually they fall over unpopulated areas like the ocean (and in normal circumstances no one would bother to search Cuban Twitter feeds for meteorite reports- this one happened before the Russia one per the article).

Don't get me wrong, I'm glad many people are learning about the dangers today and becoming more aware, but we do get hit by a lot of space rocks.

/astronomer
2013-02-15 07:35:44 PM  
5 votes:

The Shoveller: jehovahs witness protection:

Major events happen about once every hundred million years. The last one was 85 million years ago, which is close enough as estimates go. Russians never had advance warning of their tiny event and there's a very good possibility astronomers won't detect the big one. We may be in for a big surprise soon.

The average time between impacts is not a useful predictor of what may lay ahead (by definition, an average only takes into account events that have already occurred). The event to which I think you're referring (the Yucatan impact that probably played a part in the extinction of the non-avian dinosaurs, among many other taxa) occurred  ~65 million years ago. There have been many impacts since that time, some of which have left significant scars on the planet's surface.

Your point that we are still unable to do anything about oncoming bolides is well taken: we need to work out a way to protect ourselves (Bruce Willis isn't going to live forever).



I like to use the phrase "the dice have no memory" when I explain that. For a big impact it could be tomorrow, could be 15 million years from now. And if one happens tomorrow, then the next day it...... still could be another one hitting tomorrow, or could be 15 million years... When you roll a 6-sided die you've got a 1 in 6 chance of a given number coming up. The next time you roll it it isn't a 1 in 36 chance, it's still a 1 in 6 chance. The dice don't remember previous rolls.

It's not really a chance though, those objects are either out there or not. But we don't really know about them all, so for us we see it for now in terms of chance. Until we actually find and catalog all the objects in the solar system - and have a system actively tracking any new ones that are perturbed or something - we're pretty much just keeping our fingers crossed that no significant impacts affect us.
2013-02-15 07:25:29 PM  
4 votes:
The Russia meteor was a bit bigger than I thought it'd be...

Preliminary information indicates that a meteor in Chelyabinsk, Russia, is not related to asteroid 2012 DA14, which is flying by Earth safely today. The Russia meteor is the largest reported since 1908, when a meteor hit Tunguska, Siberia. The meteor entered the atmosphere at about 40,000 mph (18 kilometers per second). The impact time was 7:20:26 p.m. PST, or 10:20:26 p.m. EST on Feb. 14 (3:20:26 UTC on Feb. 15), and the energy released by the impact was in the hundreds of kilotons. Based on the duration of the event, it was a very shallow entry. It was larger than the meteor over Indonesia on Oct. 8, 2009. Measurements are still coming in, and a more precise measure of the energy may be available later. The size of the object before hitting the atmosphere was about 49 feet (15 meters) and had a mass of about 7,000 tons. The meteor, which was about one-third the diameter of asteroid 2012 DA14, was brighter than the sun. Its trail was visible for about 30 seconds, so it was a grazing impact through the atmosphere. It is important to note that this estimate is preliminary, and may be revised as more data is obtained.
http://www.nasa.gov/mission_pages/asteroids/news/asteroid20130215.ht ml
2013-02-15 07:21:15 PM  
4 votes:

Popcorn Johnny: Maybe I wasn't paying attention, but I just learned that the damage done in Russia was from the shock wave created when the bus sized meteor exploded 25 miles up, not from debris that hit the ground.


Not only that, but the shock wave was a *cylindrical* wave... moving at ~Mach 100, the meteor was 100 km downrange before the resulting shockwave could propagate 1 km sideways.  The result is like setting off a long line of explosives simultaneously, rather than at a point (like a bomb does).

And what's so special about that?  Energy in a cylindrically spreading wave goes down as 1/r, rather than the 1/r**2 that we're used to.  Which is the reason this thing was able to smash windows 100 km away, whereas an equivalent-release nuke (point source) wouldn't.
2013-02-15 06:51:27 PM  
4 votes:

jehovahs witness protection: Major events happen about once every hundred million years. The last one was 85 million years ago, which is close enough as estimates go. Russians never had advance warning of their tiny event and there's a very good possibility astronomers won't detect the big one. We may be in for a big surprise soon.


Over the long term, I'd be a lot more worried about supervolcanoes. They're far more frequent than giant meteor or asteroid impacts, and occur on a regular basis. 1816 was known as the Year without a Summer due to a volcanic eruption. Something like that occurs around once every thousand years.
2013-02-15 08:25:31 PM  
3 votes:
A few years ago my wife and I buy a Lake house in NW NJ for our son (We live near Manhattan and he needed some room to run).  Small house, whole history behind the area, whatever.  During the home inspection we're checking the basement, huge metal door in a lowered area by the sump pump.  It's completely unmovable and the inspector says it was most likely put there  for support and is cemented in.  Ok whatever.

Two years later an old couple is walking by.  We pass greeting from the deck and the walk up to say hello.

"Do you still have the bomb shelter?"

"What????"

So the two of them come down to the basement and insist that many owners ago there was a full fledged Bomb Shelter installed!!! So I call in a few guys to bust up the cement and get  that door open. 

Took half a day and they call me down to take a look.  The door (maybe 3 inches thick) opens...... to a completely clean room, stocked shelves, cots, batteries, water, short wave radio.  No kidding like the Lost Dharma thing.  Room for 5-6 families, shocking.   

We talked to the local historical folks and we're working on donating a bunch of the stuff before we figure out what to do with the space.  It's 700 sq feet extending out from the house, Shocking!
2013-02-15 08:12:21 PM  
3 votes:

czetie: I finally got around to watching Iron Sky, so I'm getting a kick etc.


Iron Sky on FB had a status update saying (in German) that the attack was beginning.
2013-02-15 06:58:46 PM  
3 votes:

This sort of stuff happens all the time. Only nowadays we have the internet and 24 hour cable news to help blow everything out of proportion.

Boom's Source A Mystery
Holt County Independent (Nebraska), August 19, 1999


A meteoroid, a sonic boom from a jet traveling across north central Nebraska to the Lincoln area, or...? Officials from across the state are trying to determine the source of a large boom about noon Friday. In O'Neill, the boom was actually two large booms that sounded somewhat like an artillery battery being fired. Some people said they thought a piece of nearby machinery had exploded or that a vehicle had crashed. In some areas the boom was accompanied by ground shaking and even a few broken windows. Ken Reiser of Butte said immediately after he heard the noise he heard a jet in the distance and assumed it had caused a sonic boom. A sonic boom from the speed of a plane would be created as the plane pushed the air ahead of it out of the way and air rushing in behind the plane. Under that theory a plane flying across the state would create a boom as it moved but the mystery noise was heard at the same time in both Lincoln and north central Nebraska. Officials at Offutt Air Force Base near Omaha also say it is doubtful that an aircraft was to blame. An Offutt spokesman said base officials checked with the Federal Aviation Administration in Lincoln, Omaha and Minneapolis.

All of those offices said they knew of no military craft flying in the area capable of making the noise. Officials also checked with Edwards Air Force Base in California on the chance that one of its aircraft with supersonic capabilities had flown overhead. There were meteor showers over Nebraska last week and it is possible that a fragment from a meteor, which would become a meteoroid as it enters the earth's atmosphere and a meteorite if it hits the earth, could have caused the boom. Martin Gaskell, UNL professor of physics and astronomy, said a meteoroid large enough to break the atmosphere could create a sonic boom before it hit the earth. If the meteoroid were large enough, he said, it could be heard from Lincoln to north central Nebraska. As of Monday afternoon, however, there were no reports of meteorites discovered in Nebraska in the area where the boom was heard and no reports of any damage

2013-02-15 11:01:18 PM  
2 votes:

MaliFinn: common sense is an oxymoron: MaliFinn: Much more likely that as the asteroid approached the sun the heat caused it to crack and a piece fell off, travelling roughly with the same speed and direction as the main body, +/- the velocity caused by breaking apart from the main rock.  /repeatable

This happens to comets routinely. The separation velocity, however, is negligible compared to the orbital velocity. If two objects share the same orbit, or close to it, then perhaps something like this may have happened. If not, then no.

"Negligible" describes perfectly the distance between this NEO that passed only 17000 miles from Earth, and the distance it has traveled in its last elliptical.  The shard didn't have to break off yesterday, if could have been months, years ago.  It was too small to be detected, it could have been travelling with it for a long time.



True, as long as the two objects share a common orbit, or something close to it. However, if one object is coming from the south and the other from a different direction, then they're not related.

NASA has some updated information:

--The Russian meteor is unrelated to 2012 DA14.
--It was bigger than first thought. Size is now estimated at 55 feet in diameter and 10,000 tons, with energy release of nearly 500 kilotons, making this a roughly once-in-100-years event.

http://www.nasa.gov/mission_pages/asteroids/news/asteroid20130215.ht ml
2013-02-15 08:15:25 PM  
2 votes:
Totally passing through a patch of them, like i first suspected, but Phil Plait will be along any moment to tell us these are all just astronomical coincidences and there's no need to worry.
2013-02-15 08:15:22 PM  
2 votes:
How about this for a conspiracy twist?  The aliens are sending us little ones to warn us about a big one. They believe that this will make us pay attention to the skies better and maybe spot the big one heading our way. They have non treaties between each other of noninterference but some want to help us and are doing it in a subtle untraceable way.
2013-02-15 08:04:49 PM  
2 votes:
Ban meteors, won't somebody think of the children?
2013-02-15 07:08:25 PM  
2 votes:

jehovahs witness protection: Andromeda: Big meteor that fell from the sky but didn't do anything?  Meh, call me when windows shatter again.

Listen guys, tens of thousands of meteorites that are >10 grams hit the Earth every day.  Just because you didn't stop to think about it doesn't mean this is a new thing, just usually they fall over unpopulated areas like the ocean (and in normal circumstances no one would bother to search Cuban Twitter feeds for meteorite reports- this one happened before the Russia one per the article).

Don't get me wrong, I'm glad many people are learning about the dangers today and becoming more aware, but we do get hit by a lot of space rocks.

/astronomer

Major events happen about once every hundred million years. The last one was 85 million years ago, which is close enough as estimates go. Russians never had advance warning of their tiny event and there's a very good possibility astronomers won't detect the big one. We may be in for a big surprise soon.


Or we could be in for a big surprise 30 million years from now. By your own standard, that would be close enough as estimates go.
2013-02-15 06:55:05 PM  
2 votes:

SN1987a goes boom: Oh great, does this mean we'll get 3-4 new asteroid movies and a new History channel "shark week"-esque series on meteors?


Some farking FUNDING FOR PROGRAMS TO CATCH THIS SHIAT BEFORE IT HAPPENS would be nice...

/Sorry, but it was a lot more geeking-out when I hadn't just wrestled Google for hours.
2013-02-15 06:46:04 PM  
2 votes:
Oh great, does this mean we'll get 3-4 new asteroid movies and a new History channel "shark week"-esque series on meteors?
2013-02-15 06:44:54 PM  
2 votes:
jehovahs witness protection:

Major events happen about once every hundred million years. The last one was 85 million years ago, which is close enough as estimates go. Russians never had advance warning of their tiny event and there's a very good possibility astronomers won't detect the big one. We may be in for a big surprise soon.

The average time between impacts is not a useful predictor of what may lay ahead (by definition, an average only takes into account events that have already occurred). The event to which I think you're referring (the Yucatan impact that probably played a part in the extinction of the non-avian dinosaurs, among many other taxa) occurred  ~65 million years ago. There have been many impacts since that time, some of which have left significant scars on the planet's surface.

Your point that we are still unable to do anything about oncoming bolides is well taken: we need to work out a way to protect ourselves (Bruce Willis isn't going to live forever).
2013-02-15 06:44:52 PM  
2 votes:

AlwaysRightBoy: davidphogan: Are we all going to die?

The short answer is yes.

The long answer is y......... e....... s


imageshack.us

imageshack.us
2013-02-15 06:44:46 PM  
2 votes:
It's official: God hates communists.
2013-02-15 06:41:31 PM  
2 votes:
This one's a hoax. Trust me on this as I spent the day tracking it as it was debunked.
2013-02-15 05:48:24 PM  
2 votes:
Of course, no video from 1960's Cuba.
2013-02-15 05:17:22 PM  
2 votes:

davidphogan: Are we all going to die?


The short answer is yes.

The long answer is y......... e....... s
2013-02-16 12:00:44 PM  
1 votes:

Brett.M: Coelacanth: Lsherm: Brett.M:
2) The assumption is that the basement was dirt.  Most are up here in the older houses, our neighbor who has had the house for 40+ years has a tree stump in theirs.  But due to building codes you can't sell a house with a dirt basement anymore.  This house had 3 owners between us and the builder of the Hole as we refer to it and one of them must have just had cement poured in and sealed the door.
3) Pics, yea, sucks.  We have no idea of the value of any of this stuff, or for that matter the house now that we found the Hole.  So we're not posting ...


Where I live, I believe dirt basements must be grandfathered in depending on the age of the property, because I definitely looked at two houses that had them (and practically ran screaming from both once I found out; fear of bodies etc etc). I'm sure YMMV though.

Value will probably vary but I'd imagine if you wanted to you could sell most of it on ebay for a tidy profit, provided you take pics of the original setup before you move any of it. That could help you show authenticity. Although you say there's no gas mask, check with a lawyer about other questionable items - certain gas masks, at least, are illegal to own (just for example). There might be other things in there too. I say lawyer instead of police because you're far less likely to get things confiscated if they're not sure.

Personally I'd love to see pics but its understandable you wouldn't want to spread that around the interwebs. I love old rediscovered stuff like that.
2013-02-16 07:02:02 AM  
1 votes:

Coelacanth: Lsherm: Brett.M: A few years ago my wife and I buy a Lake house in NW NJ for our son (We live near Manhattan and he needed some room to run).  Small house, whole history behind the area, whatever.  During the home inspection we're checking the basement, huge metal door in a lowered area by the sump pump.  It's completely unmovable and the inspector says it was most likely put there  for support and is cemented in.  Ok whatever.

Two years later an old couple is walking by.  We pass greeting from the deck and the walk up to say hello.

"Do you still have the bomb shelter?"

"What????"

So the two of them come down to the basement and insist that many owners ago there was a full fledged Bomb Shelter installed!!! So I call in a few guys to bust up the cement and get  that door open.

Took half a day and they call me down to take a look.  The door (maybe 3 inches thick) opens...... to a completely clean room, stocked shelves, cots, batteries, water, short wave radio.  No kidding like the Lost Dharma thing.  Room for 5-6 families, shocking.

We talked to the local historical folks and we're working on donating a bunch of the stuff before we figure out what to do with the space.  It's 700 sq feet extending out from the house, Shocking!

You tell a story like that without pictures?  I call bullshiat.


Any idea how the door was supposed to opened?


1) Yes bad writing, I was posting from my phone (Hence the double post)
2) The assumption is that the basement was dirt.  Most are up here in the older houses, our neighbor who has had the house for 40+ years has a tree stump in theirs.  But due to building codes you can't sell a house with a dirt basement anymore.  This house had 3 owners between us and the builder of the Hole as we refer to it and one of them must have just had cement poured in and sealed the door.
3) Pics, yea, sucks.  We have no idea of the value of any of this stuff, or for that matter the house now that we found the Hole.  So we're not posting or emailing pics.  Don't want some old fart showing up yelling that it's his gas mask down there (There is no gas mask).  We found it in late September and are still figuring out what to do with it all.
2013-02-16 04:18:03 AM  
1 votes:
For those crying about the lack of video of the Cuban event, I present the following technological facts of life.


Cuban i-Phone....
cache.wists.com

Cuban i-Pad

www.lrgaf.org

Cuban i-Pod

encrypted-tbn0.gstatic.com

Cuban dash cam

4.bp.blogspot.com

Car in which to mount your dash cam

farm3.static.flickr.com

Thread may now resume it's regular posts.
2013-02-16 01:46:03 AM  
1 votes:

Fissile: Let's say that the earth has now entered a belt of very large meteors and it's very likely that thousands, if not millions, of people will be killed.  If you were running the government, would you issue any warnings?


I would, but panic is fun to watch.
2013-02-16 12:49:13 AM  
1 votes:

ISO15693: beautifulbob: Thank God this didn't happen 30 years ago.  No way the nukes would have stayed on the launching pads.

Seriously....or 50 years ago. Imagine 1962, Kennedy & Kruschev are tense over the cuban missle crisis ...space rocks that only target communist nations suddenly fall from the sky ...

Wait, was this a movie?.



Science fiction author H. Beam Piper was maybe the first person to suggest that a meteorite could set off a nuclear war.
2013-02-15 11:24:43 PM  
1 votes:

Mentat: If this is an alien attack, they're doing a piss-poor job of it.


Yeah, we deserve better than third-rate aliens.
2013-02-15 11:18:28 PM  
1 votes:

davidphogan: Are we all going to die?


I am the bad wolf.  I create myself.  I take the words. I scatter them. In time and space.  A message to lead myself here.

You are tiny.  I can see the whole of time and space.  Every single atom of your existence; and I divide them.

Everything must come to dust.  All things, everything dies.  The time will end.
2013-02-15 10:56:50 PM  
1 votes:

Matthew Keene: There are some that believe that the Great Chicago Fire, the Great Forest Fire, and Huron, Michigan Fire, all occurring on the evening of October 8, 1871 killing over 3000 total from all three, were caused by meteor fragments. Fireballs were seen in the skies that night over the American Midwest.


I've heard that theory, it is possible.
2013-02-15 10:51:25 PM  
1 votes:
There are some that believe that the Great Chicago Fire, the Great Forest Fire, and Huron, Michigan Fire, all occurring on the evening of October 8, 1871 killing over 3000 total from all three, were caused by meteor fragments. Fireballs were seen in the skies that night over the American Midwest.
2013-02-15 10:48:16 PM  
1 votes:

FarFarAway: I think it was the sun. It hit their sensors somehow that made their alarms go off and make them think an attack had been launched. It gave one false alarm, then another, then another and so on. I don't recall how many total. But the Soviet in charge thought it was weird, because the US wouldn't launch a handful of nukes in a strike like that, they would launch everything they had, so he held off on retaliating. IIRC, he held off in spite of being ordered to take action by his superiors but I could be wrong.


It was high altitude clouds being hit by the sun while the ground underneath was already past sunset.  The result showed up as hot spots to their satellite, like missile plumes--and it was above our missile fields.  Fortunately, he kept suppressing the warning.  Their equipment is junk, it doesn't have the discrimination to figure out the difference between stuff like this an a real missile.

occamswrist: What if you took the same nuke and gave it mach 100 and slowed down it going critical so energy would be released at the same rate as the meteor. Broken windows then?


You can't slow a nuke down.  The device gets very hot and the resulting pressure blows it apart.  You have to get what energy you can out of it before that happens.  Slowing the reaction doesn't make it take much longer, it just greatly reduces the energy output.  For an example of how low it can go there was an oops back in the early days where they put 4 batches of plutonium in a container and had a criticality accident.  There was a guy nearby who was knocked down by the blast but lived long enough to run out of the building (in other words, not seriously hurt other than due to the radiation.)

trappedspirit: I think it's funny that people think this and the Russian meteorite weren't being tracked by anyone. What did you want them to do? Panic a 2000 square mile area projected landing zone and then have more damage occur from riots and looting. And then have it turn out to blow completely in the asmosphere? But yeah. Keep thinking no one is tracking all of these objects if it will help you sleep at night not considering they are in their bunkers right now with trajectory maps on the big screen showing potential impact areas in YOUR county and purposly not sounding a single alarm because of these very same concerns.


I see no reason to think they would be tracked.  They're just too small.  When they are detected a warning is sent out--we wouldn't want to spook anyone into a war.
2013-02-15 10:22:14 PM  
1 votes:

lousyskater: It is when it explodes with the force of a nuclear weapon and injures over 1000 people from 20 miles away.


I meant the Cuban event, not the Russian one which was unusual, at least in human lifetimes
2013-02-15 10:21:34 PM  
1 votes:
Gyrfalcon:

common sense is an oxymoron: Gyrfalcon: It's not impossible they could be part of the same swarm. Ever heard of a "meteor shower"? Those somewhat predictable events in which multiple meteors strike the Earth's atmosphere at the same time, just usually they're too small to hit the ground? No reason we couldn't have two larger ones at the same time as well.


Meteor showers are caused by Earth passing through the debris streams left by passing comets. All of the meteors in a given shower share a common orbit, that of the source comet.

If two meteors are in different orbits, they can't belong to the same swarm.

It's not impossible, is my point dearie.


Not impossible, but damn unlikely. I'm willing to be corrected, but saying that two different meteors traveling on two different paths are parts of the same whole is sort of like saying two different bullets striking from different angles came from the same gun in the same position. Without knowing how far apart the two meteor's vectors were, I can't say, but...

Grassy Knoll aficionados need not apply...
2013-02-15 10:21:04 PM  
1 votes:

lousyskater: Anglachel: It also amazed me how bright it was.  Looked like someone was welding.

It was basically like looking at a nuclear weapon go off, as it released about as much energy as a small one. Estimated in the hundreds of kilotons, it released 10x more energy than the Little Boy atomic bomb that was dropped on Hiroshima. It's a good thing it came in shallow, otherwise it might have wiped out a town/city.


Meteor Crater in Arizona was made by a rock about the same size. It was able to reach the ground.
2013-02-15 10:14:00 PM  
1 votes:

saturn badger: Eegah: lousyskater: The Russia meteor was a bit bigger than I thought it'd be...

Preliminary information indicates that a meteor in Chelyabinsk, Russia, is not related to asteroid 2012 DA14, which is flying by Earth safely today. The Russia meteor is the largest reported since 1908, when a meteor hit Tunguska, Siberia. The meteor entered the atmosphere at about 40,000 mph (18 kilometers per second). The impact time was 7:20:26 p.m. PST, or 10:20:26 p.m. EST on Feb. 14 (3:20:26 UTC on Feb. 15), and the energy released by the impact was in the hundreds of kilotons. Based on the duration of the event, it was a very shallow entry. It was larger than the meteor over Indonesia on Oct. 8, 2009. Measurements are still coming in, and a more precise measure of the energy may be available later. The size of the object before hitting the atmosphere was about 49 feet (15 meters) and had a mass of about 7,000 tons. The meteor, which was about one-third the diameter of asteroid 2012 DA14, was brighter than the sun. Its trail was visible for about 30 seconds, so it was a grazing impact through the atmosphere. It is important to note that this estimate is preliminary, and may be revised as more data is obtained.
http://www.nasa.gov/mission_pages/asteroids/news/asteroid20130215.ht ml

Holy moley, That was a close call! I didn't realize that the main piece(s) left the atmosphere again, but in retrospect the trail kind of gives that indication. It that thing hadn't come in so shallow, it would've been a whopper and that region may have been decimated.

Where does it say that? It came in at a low angle. Hence grazing.


Here is the 1972 grazing event which was also about the same size. This one did leave the atmosphere after grazing.

http://en.wikipedia.org/wiki/Great_Daylight_1972_Fireball
2013-02-15 09:55:24 PM  
1 votes:
This thread requires a mention of Spaceguard and the fact that most of the scarier objects (Torino-scale speaking,) were first observed by amateurs.
There's always another out there. The worst ones come in on tight hairpin orbits such that they're coming towards us with the Sun in our eyes, so. A) they're invisible until they're almost upon us, and B) they're moving very, very fast. You sort of have to find them long before they start their turn around the sun if you're going to know they're coming at all.
2013-02-15 09:45:32 PM  
1 votes:
We have so many powerful images from the Russian meteor event that this Cuban meteror even if it did fall may as well not have in terms of it being a story due to the paucity of evidence beyond eyewitnesses.

Bot so much "pics or it didn't happen" as "pics or it may as well not have".
2013-02-15 09:43:02 PM  
1 votes:

Gyrfalcon: It's not impossible they could be part of the same swarm. Ever heard of a "meteor shower"? Those somewhat predictable events in which multiple meteors strike the Earth's atmosphere at the same time, just usually they're too small to hit the ground? No reason we couldn't have two larger ones at the same time as well.



Meteor showers are caused by Earth passing through the debris streams left by passing comets. All of the meteors in a given shower share a common orbit, that of the source comet.

If two meteors are in different orbits, they can't belong to the same swarm.
2013-02-15 09:34:09 PM  
1 votes:

kokomo61: Brett.M: A few years ago my wife and I buy a Lake house in NW NJ for our son (We live near Manhattan and he needed some room to run).  Small house, whole history behind the area, whatever.  During the home inspection we're checking the basement, huge metal door in a lowered area by the sump pump.  It's completely unmovable and the inspector says it was most likely put there  for support and is cemented in.  Ok whatever.

Two years later an old couple is walking by.  We pass greeting from the deck and the walk up to say hello.

"Do you still have the bomb shelter?"

"What????"

So the two of them come down to the basement and insist that many owners ago there was a full fledged Bomb Shelter installed!!! So I call in a few guys to bust up the cement and get  that door open. 

Took half a day and they call me down to take a look.  The door (maybe 3 inches thick) opens...... to a completely clean room, stocked shelves, cots, batteries, water, short wave radio.  No kidding like the Lost Dharma thing.  Room for 5-6 families, shocking.   

We talked to the local historical folks and we're working on donating a bunch of the stuff before we figure out what to do with the space.  It's 700 sq feet extending out from the house, Shocking!

Make sure the neighbors don't find out about your shelter....


And WHATEVER you do, don't post it on the Internet. Nothing could be more stupid.
2013-02-15 09:31:05 PM  
1 votes:
2013-02-15 09:30:40 PM  
1 votes:
It's not impossible they could be part of the same swarm. Ever heard of a "meteor shower"? Those somewhat predictable events in which multiple meteors strike the Earth's atmosphere at the same time, just usually they're too small to hit the ground? No reason we couldn't have two larger ones at the same time as well.

Because let's face it, all the predictions astronomers have been making for the past 15 or 20 years, about the risks of an asteroid or large meteor strike haven't just been scaremongering or vague warnings of something that "might" happen. Just because an event is statistically unlikely doesn't mean it couldn't happen tomorrow...or today, as we just saw. What occurred in Russia was the same thing that happened in Tunguska 108 years ago, only this time it happened over a populated area. A big meteor sneaked up on us because we're not watching for them, and detonated over the land. Lucky for us, as someone already observed, nobody has their fingers on the red buttons any more.

And the reason stuff like this doesn't seem to happen more often is that most of the planet is water. If this had happened out in the middle of the Pacific Ocean, which it probably has more than once in the last hundred years, there'd have been no cell phones, and no broken windows or casualties. That doesn't mean it hasn't happened. Just that this time we weren't quite as lucky.
2013-02-15 09:30:04 PM  
1 votes:

PsiChick: SN1987a goes boom: Oh great, does this mean we'll get 3-4 new asteroid movies and a new History channel "shark week"-esque series on meteors?

Some farking FUNDING FOR PROGRAMS TO CATCH THIS SHIAT BEFORE IT HAPPENS would be nice...

/Sorry, but it was a lot more geeking-out when I hadn't just wrestled Google for hours.



They're working on it:

http://www.fallingstar.com/

$5 million sounds like a bargain.
2013-02-15 08:35:33 PM  
1 votes:
Dawn of the 1st day?

images.nonexiste.net
2013-02-15 08:28:02 PM  
1 votes:

beautifulbob: Thank God this didn't happen 30 years ago.  No way the nukes would have stayed on the launching pads.


Chelyabinsk is home to Russian nuclear weapons production facilities and this meteor looked like a 300-kiloton airburst.  Scary.  But, the Soviets actually tested a weapon that size at high altitude in the 1960s (much higher than the meteor actually) and the EMP fried their own electrical grid for hundreds of miles.  So one would think the fact the lights were still on would be a clue.
2013-02-15 08:24:15 PM  
1 votes:
A few years ago my wife and I buy a Lake house in NW NJ for our son (We live near Manhattan and he needed some room to run).  Small house, whole history behind the area, whatever.  During the home inspection we're checking the basement, huge metal door in a lowered area by the sump pump.  It's completely unmovable and the inspector says it was most likely put there  for support and is cemented in.  Ok whatever.

Two years later an old couple is walking by.  We pass greeting from the deck and the walk up to say hello.

"Do you still have the bomb shelter?"

"What????"

So the two of them come down to the basement and insist that many owners ago there was a full fledged Bomb Shelter installed!!! So I call in a few guys to bust up the cement and get  that door open.

Took half a day and they call me down to take a look.  The door (maybe 3 inches thick) opens...... to a completely clean room, stocked shelves, cots, batteries, water, short wave radio.  No kidding like the Lost Dharma thing.  Room for 5-6 families, shocking.

We talked to the local historical folks and we're working on donating a bunch of the stuff before we figure out what to do with the space.  It's 700 sq feet extending out from the house, Shocking!
2013-02-15 08:18:27 PM  
1 votes:
I think it's funny that people think this and the Russian meteorite weren't being tracked by anyone. What did you want them to do? Panic a 2000 square mile area projected landing zone and then have more damage occur from riots and looting. And then have it turn out to blow completely in the asmosphere? But yeah. Keep thinking no one is tracking all of these objects if it will help you sleep at night not considering they are in their bunkers right now with trajectory maps on the big screen showing potential impact areas in YOUR county and purposly not sounding a single alarm because of these very same concerns.
2013-02-15 08:17:02 PM  
1 votes:

jehovahs witness protection: Major events happen about once every hundred million years. The last one was 85 million years ago, which is close enough as estimates go. Russians never had advance warning of their tiny event and there's a very good possibility astronomers won't detect the big one. We may be in for a big surprise soon.


And by "soon", you actually mean "sometime in the next fifteen million years, give or take fifty million years."
2013-02-15 08:15:49 PM  
1 votes:

Gilligann: Residents described the object as being comparable in size to a bus

How the hell can anyone tell what the size of a falling, and then exploding meteor is?


This. Humans have no skill at estimating the size of an unfamiliar, brilliantly glowing object in the sky.

I think that description -- in fact, the whole report -- is mainly because they read about the Russian event, and decided they wanted some media attention as well.
2013-02-15 08:14:06 PM  
1 votes:
Ban Glock AR-47 Military-style assault meteors

/come on, Senator Feinstein
//get that bill ready, woman!!!
2013-02-15 08:08:56 PM  
1 votes:
Residents described the object as being comparable in size to a bus

How the hell can anyone tell what the size of a falling, and then exploding meteor is?
2013-02-15 08:06:28 PM  
1 votes:
Now is not the time to talk about banning meteors!
2013-02-15 08:04:13 PM  
1 votes:
I finally got around to watching Iron Sky, so I'm getting a kick etc.
2013-02-15 07:58:16 PM  
1 votes:
1.bp.blogspot.com

/ wanted for questioning
2013-02-15 07:37:45 PM  
1 votes:

lousyskater: Tunguska, Siberia


Came to mention this http://en.wikipedia.org/wiki/Tunguska_event
2013-02-15 07:37:24 PM  
1 votes:

way south: CygnusDarius: DeathLemur: KEEP WATCHING THE SKIES!

Watch the skies, traveler.

[images2.wikia.nocookie.net image 290x575]

"I used to be an astronomer like you, until I took an arrow to the knee".

/Astronomy has changed...


You see those astronomers from Hammerfell? They have curved telescopes.... Curved. Telescopes.
2013-02-15 07:31:41 PM  
1 votes:

eyeq360: SN1987a goes boom: Oh great, does this mean we'll get 3-4 new asteroid movies and a new History channel "shark week"-esque series on meteors?

Then we go into supervolcanoes and the San Andreas fault.


A relatively modest asteroid impact in US Great Plains area sets off the Yellowstone Supervolcano. . .the resulting seismic activity is just enough to make the San Andreas fault finally snap and send LA into the Pacific ocean right as the Supervolcano is thrusting Earth into a new ice age (and taking out a good chunk of the Continental US in the blast).

Some hack in LA is already writing it, I'm sure.
2013-02-15 07:24:07 PM  
1 votes:

ladyfortuna: The creationist dude in my gaming forum said this as a joke earlier today (complete with emoticon). I weep for humanity when a 'news' channel actually brings it up.


...especially if the anchor who asked it still has his job the next day.

Krieghund: There are definately people dumb enough to think global warming would cause something like this. Therefore, it is a fair question to ask an expert.


I'd prefer we don't dignify such an idea as a coherent thought.
2013-02-15 07:22:06 PM  
1 votes:

CygnusDarius: DeathLemur: KEEP WATCHING THE SKIES!

Watch the skies, traveler.

[images2.wikia.nocookie.net image 290x575]




"I used to be an astronomer like you, until I took an arrow to the knee".

/Astronomy has changed...
2013-02-15 07:18:16 PM  
1 votes:

DeathLemur: KEEP WATCHING THE SKIES!


Watch the skies, traveler.

images2.wikia.nocookie.net
2013-02-15 07:15:42 PM  
1 votes:

SN1987a goes boom: Oh great, does this mean we'll get 3-4 new asteroid movies and a new History channel "shark week"-esque series on meteors?


It came from the sky to eat the world!

It is...

Meteorshark!

From the producers that brought you Mansquito and Piranhaconda!
2013-02-15 07:12:53 PM  
1 votes:
Please oh please let a meteorite knock out all civilian GPS satellites. I would pay to see the panic and confusion from everyone as they have to use directions and maps again. Instead of blindly following a screen and a woman telling them where to go as their eyes glaze over and lips drool while they drift into your lane.


/wouldn't mind cell phones bein knocked out for a bit too
2013-02-15 07:11:17 PM  
1 votes:

PsiChick: SN1987a goes boom: Oh great, does this mean we'll get 3-4 new asteroid movies and a new History channel "shark week"-esque series on meteors?

Some farking FUNDING FOR PROGRAMS TO CATCH THIS SHIAT BEFORE IT HAPPENS would be nice...

/Sorry, but it was a lot more geeking-out when I hadn't just wrestled Google for hours.


Buy a telescope. Funding can always be cut to official programs. Most of these discoveries are done by amatures in the backyard. The more scopes looking up the better.

What happens when extinction is imminent from an inbound object....I think I would rather be clueless than fretting if we only had two days left to live.

Think about the crazies who would go on stabby and rapey sprees if they had nothing left to lose or two days left to live.
2013-02-15 07:04:48 PM  
1 votes:

tenpoundsofcheese: Obviously due to global warming.

CNN is making the connection.


How? How are these idiots keeping their jobs?
2013-02-15 06:59:09 PM  
1 votes:

ZzeusS: This web page was blocked because it contains malicious content


Your browser is a middle-school principal.
2013-02-15 06:57:56 PM  
1 votes:
I think whomever's designed the Cybertronian guidance systems might be out of a job.  Especially if he's near Megatron.
2013-02-15 06:57:39 PM  
1 votes:

SN1987a goes boom: Oh great, does this mean we'll get 3-4 new asteroid movies and a new History channel "shark week"-esque series on meteors?


It's all an astroturfing campaign.  All the new or spin-off shows this fall will be meteor-centric.  Grabbed the list of shows from an ad agency that handles work for several networks.  Here are a few highlights:

History Channel: WWII Meteors: Was Hitler an alien?

A&E: Meteor Wars and Meteor Wars : Pittsburgh

Syfy: Ghost Meteor vs Sharktopus Apocalypse Hunter International Wrestling

Discovery/TLC: Honey Boo Boo in Space
2013-02-15 06:57:38 PM  
1 votes:

ZzeusS: This web page was blocked because it contains malicious content


C'mon, I'm sure there is nothing malicious about the unpleasant design of that site.  I'm certain they made it ugly all by accident.
2013-02-15 06:57:13 PM  
1 votes:

Gaius: Man Caves are so passé.  Real men have bunkers.


Like these real men?

u1.ipernity.com
2013-02-15 06:56:10 PM  
1 votes:
Maybe I wasn't paying attention, but I just learned that the damage done in Russia was from the shock wave created when the bus sized meteor exploded 25 miles up, not from debris that hit the ground.
2013-02-15 06:53:27 PM  
1 votes:
Subby, be on your guard against angry sovereign citizens and autistic six year-olds.
2013-02-15 06:53:03 PM  
1 votes:
Nah, it wasn't a meteorite.  I was standing around at the local Walmart throwing or ejaculating my semen all over people when all of a sudden, it was like Jesus exploded from my penis.  That load was so big and shot so high it landed in another country.  Not that I'm bragging or anything, I'm just saying.
2013-02-15 06:50:44 PM  
1 votes:
this is the direct end result of that crazy rock music and the hip hops that all the kids are doing. knock it off before it ruins everyone's lawns.
2013-02-15 06:43:03 PM  
1 votes:

jehovahs witness protection: We may be in for a big surprise soon.


Admittedly, it's possible that we're missing stuff, and that is scary, but it's not any more likely to happen now than it was a year ago.
2013-02-15 06:41:13 PM  
1 votes:

Mentat: If this is an alien attack, they're doing a piss-poor job of it.


Card had it right. The aliens throw rocks.
2013-02-15 06:32:11 PM  
1 votes:

Andromeda: Big meteor that fell from the sky but didn't do anything?  Meh, call me when windows shatter again.

Listen guys, tens of thousands of meteorites that are >10 grams hit the Earth every day.  Just because you didn't stop to think about it doesn't mean this is a new thing, just usually they fall over unpopulated areas like the ocean (and in normal circumstances no one would bother to search Cuban Twitter feeds for meteorite reports- this one happened before the Russia one per the article).

Don't get me wrong, I'm glad many people are learning about the dangers today and becoming more aware, but we do get hit by a lot of space rocks.

/astronomer


Major events happen about once every hundred million years. The last one was 85 million years ago, which is close enough as estimates go. Russians never had advance warning of their tiny event and there's a very good possibility astronomers won't detect the big one. We may be in for a big surprise soon.
2013-02-15 05:19:17 PM  
1 votes:

tenpoundsofcheese: davidphogan: Are we all going to die?

Yes.
Everyone will die at some point.
Except maybe for Steven Hawkings and Phillip McSweeney.


You forgot  Abe Vigoda.
2013-02-15 05:11:11 PM  
1 votes:
Obviously due to global warming.

CNN is making the connection.
2013-02-15 05:05:47 PM  
1 votes:
Are we all going to die?
 
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