jojostan: You know who else looked into bunkers?
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.
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 mlHoly 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.
uncleacid: Are there any Airbuses Airbusii missing?
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.
lousyskater: It is when it explodes with the force of a nuclear weapon and injures over 1000 people from 20 miles away.
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!
ArtosRC: Mentat: If this is an alien attack, they're doing a piss-poor job of it.Card had it right. The aliens throw rocks.
uncleacid: Are there any Airbuses missing?
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?
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.
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?
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.
Fark Rye For Many Whores: czetie: Iron SkyI just looked that up, I've seen Star Wreck and didn't know they made another.
saturn badger: That was a pretty good movie. It had its moments.
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. /repeatableThis 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.
Frehar: Russian bunkers are very comfortable these days.[cdn.cstatic.net image 800x531]
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.
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. /repeatableThis 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.
badLogic: tenpoundsofcheese: davidphogan: Are we all going to die?Yes.Everyone will die at some point.Except maybe for Steven Hawkings and Phillip McSweeney.And Keith Richards
sethen320: tenpoundsofcheese: davidphogan: Are we all going to die?Yes.Everyone will die at some point.Except maybe for Steven Hawkings and Phillip McSweeney.What's up with not knowing how to spell Stephen Hawking properly? I've seen it a lot lately.
Gyrfalcon: It's not impossible, is my point dearie.
Lsherm: You tell a story like that without pictures? I call bullshiat.
MurphyMurphy: Gyrfalcon: It's not impossible, is my point dearie.No, but usually in science we try to draft reasonable hypothesis based on observed behavior. Then we look for evidence supporting the hypothesis.You can have a hypothesis that these events are linked by commonality in timeline and a shared relative destination (well, waypoint for DA14), but then you're stuck with coming up with supporting evidence of which I've seen none. Observed behavior isn't evidence as to the cause of that behavior and coincidence doesn't equivocate to evidence.Those who would suggest these issues are separate do have some evidence to support it.-DA14 isn't part of a comet stream of debris,-there were no detected significant accompanying debris to DA14,-all data points to the two objects' trajectories being completely different...So wrap your mind around this for a moment:To suggest two objects traveling through space at different trajectories are somehow linked in origin would be an event of such astronomical unlikeliness (aware of the pun) because the scenario requires that they would have been separated and then somehow re-converged on nearly the same point in space within 14 hours of each other, using different orbital paths, each traveling at a rate of speed a full magnitude above what we consider hypersonic. And that they re-converged at/near a third object (earth) also traveling along it's own completely separate orbital path at it's own incredible speed.tldr: Given separate trajectories, mathematically it's infinitely more likely we observed a two unrelated events (a coincidence) than one impossible convergence.One in a million? Happens, believable. That's what we saw.Without evidence to back it up however, suggesting they were linked in origin is one in a million million millions.Possible? Sure. Equally as possible as a rogue planet striking us at the same time a gamma ray burst from another galaxy toasts us. Unless new evidence that completely contradicts what we c ...
jfarkinB: Gilligann: Residents described the object as being comparable in size to a busHow 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.
davidphogan: Are we all going to die?
SpaceBison: 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 MysteryHolt County Independent (Nebraska), August 19, 1999A 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.
Mentat: If this is an alien attack, they're doing a piss-poor job of it.
occamswrist: Sgeo: 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.I get the feeling asteroids come in clusters...no data to back it up...
MaliFinn: Lsherm: You tell a story like that without pictures? I call bullshiat.For sure. Nobody's ever built a bomb shelter before.
KarmicDisaster: MaliFinn: Lsherm: You tell a story like that without pictures? I call bullshiat.For sure. Nobody's ever built a bomb shelter before.Most of the old shelters died from water. Either they flooded directly, or they were just moist and seepy since they were underground. Metal corroded and concrete cracked. Most got filled in. So it would be interesting to see how one survived.
patchvonbraun: Russia should perhaps rename February to meteoruary:http://en.wikipedia.org/wiki/Sikhote-Alin_meteorite
mizchief: 3 similar events in an arbitrarily defined short amount of time! Ban objects from moving close to the earth! Ban astronomy for the Children!
common sense is an oxymoron: patchvonbraun: Russia should perhaps rename February to meteoruary:http://en.wikipedia.org/wiki/Sikhote-Alin_meteoriteIt's not just Russia. There does appear to be an increased number of bright meteors in February compared to the rest of the year.NASA is expanding their All-Sky Fireball Network, which will lead to better information about the orbits of these objects and tell us whether this is a real phenomenon or just a statistical fluke.http://www.space.com/19814-russia-meteor-explosion-fireball-season.h tm l
MurphyMurphy: if true and unrelated to known comet trail remains it would suggest that some other body in our solar system is influencing orbits in a way that both draws objects into groups or waves and drives their paths towards the inner system. (Like maybe Jupiter or Saturn.)
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