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(Gizmodo)   What would actually happen if asteroid 2012 DA14 hit for real?   (gizmodo.com ) divider line
    More: Scary, kilometres per second, Department of Earth  
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17783 clicks; posted to Main » on 15 Feb 2013 at 9:48 AM (3 years ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2013-02-15 10:27:34 AM  
img.photobucket.com
 
2013-02-15 10:31:19 AM  
From Niven/Pournelle:  The discussion about hitting the Earth with a cubic mile of hot fudge sundae, which falls on a Tuesday this week...
 
2013-02-15 10:31:31 AM  
We should put meteor free zone signs all over the places we don't want a meteor to fall on, then hastily push a meteor ban through congress.  Lets strike while the emotions are still raw!
 
2013-02-15 10:34:00 AM  

mortimer_ford: We need to put up a big sign.

2012 DA14 GO AWAY!


Or:

i49.tinypic.com
 
2013-02-15 10:34:05 AM  
I'm just waiting for Apophis to come.  Still have 16 years though.
 
2013-02-15 10:34:20 AM  
I think this is the start of the Zombie Apocalypse.
 
2013-02-15 10:34:26 AM  
FTFA: "releasing the energy equivalent of about 138 atomic bombs "...  It really gets on my tits when they say something like this.  No frame of reference, it's like saying "2,000 henweighs"....

About 4 lbs, in case you were asking....

X number of Hiroshima... hate that too. That is a weak way for people that have no understanding of physics to try and give information they don't themselves understand. Why not just do the math, and give us the megaton number? "138 atomic bombs"...? are we talking fat man, little boy, or Czar bomba? Do some damned fact checking...

Crap journalism. It must stop.
 
2013-02-15 10:38:27 AM  
They say that a catastophic asteroid made the dinosaurs extinct.
They say it can happen again.

This, of course, is bullshiat.

There aren't any dinosaurs left. They are extinct.


/my logic saves the day
 
2013-02-15 10:40:33 AM  

DysphoricMania: FTFA: "releasing the energy equivalent of about 138 atomic bombs "...  It really gets on my tits when they say something like this.  No frame of reference, it's like saying "2,000 henweighs"....

About 4 lbs, in case you were asking....

X number of Hiroshima... hate that too. That is a weak way for people that have no understanding of physics to try and give information they don't themselves understand. Why not just do the math, and give us the megaton number? "138 atomic bombs"...? are we talking fat man, little boy, or Czar bomba? Do some damned fact checking...

Crap journalism. It must stop.


Brevity, man! You wrote a milli-Macbeth there.
 
mjg
2013-02-15 10:41:46 AM  

GalFriday: I think this is the start of the Zombie Apocalypse.



Won't happen in Canada
 
2013-02-15 10:45:07 AM  

GungFu: They say that a catastophic asteroid made the dinosaurs extinct.
They say it can happen again.

This, of course, is bullshiat.

There aren't any dinosaurs left. They are extinct.


/my logic saves the day


Extant dinosaurs beg to differ.
i48.tinypic.com
The birds, they put us all at risk. Space just hates them.

/Logic!
 
2013-02-15 10:45:46 AM  
Meh.  If it were the size of the asteroid that helped to wipe dinosaurs out of existence, that would be scary.  Or the asteroid that caused Hellas Planitia or the Moon's South Pole-Aitken Basin.  Now you're talking about BIG impacts.
 
2013-02-15 10:47:01 AM  

jehovahs witness protection: Hopefully it would hit some terrible place like the Mideast, North Africa or Detroit.


Not Detroit, I live 32 miles away. Detroit will take care of itself in its destruction.
 
2013-02-15 10:47:57 AM  

azazyel: I'm just waiting for Apophis to come.  Still have 16 years though.


Hopefully Jack O'Neil will save us.
 
2013-02-15 10:48:20 AM  

DysphoricMania: That is a weak way for people that have no understanding of physics to try and give information they don't themselves understand. Why not just do the math, and give us the megaton number? "138 atomic bombs"...? are we talking fat man, little boy, or Czar bomba? Do some damned fact checking...


Not only that, but it makes people think "the fireball will be 138 times as big and the blast radius will cover the continent!!!!" when that is far from the truth.
 
2013-02-15 10:50:35 AM  

texdent: azazyel: I'm just waiting for Apophis to come.  Still have 16 years though.

Hopefully Jack O'Neil will save us.


Actually, I've been sent back in time to hunt him down. The asteroid strike was the only thing preventing the rise of the robots.
 
2013-02-15 10:57:23 AM  
Now everybody---
 
2013-02-15 10:58:35 AM  
 
2013-02-15 11:00:54 AM  

exparrot: UberDave: Most people would disappear.  Those that were left would be normal humans and psychopathic, murderous, nutcases with a short life span.  The nutcases would soon die off and the normal humans would survive but have a strange affinity for vector-graphics video games like Tempest.

[superradnow.files.wordpress.com image 780x439]

Wants your newsletter...


Oooo . . . an "E" ticket attraction.
 
2013-02-15 11:02:51 AM  
media.moddb.com
 
2013-02-15 11:02:56 AM  

BalugaJoe: its gonna hit Oklahoma.


OOOOk-lahoma, where the wind comes sweepin' down the plain...
 
2013-02-15 11:04:25 AM  

SpectroBoy: Incontinent_dog_and_monkey_rodeo: It's only 150 feet across.  Yes, it's moving very fast, but unless it was a direct hit on a major city, the deaths probably wouldn't reach 100.

Then again, the actual scientists (fta) said this:

This means that an asteroid like this would likely explode in the air, releasing the energy equivalent of about138 atomic bombs like the one that the Boeing B-29 SuperfortressEnola Gay dropped over Hiroshima on August 9, 1945

My guess is that if you explode the equivalent of 138 atomic bombs in ANY populated area, even a small town, deaths would be numerous.


About 70% of the Earth's surface is ocean, so any meteor that hits us is likely to hit water. If the meteor actually strikes the ocean surface, it would likely trigger a tsunami, but an airburst 8-10 KM over the ocean probably wouldn't do that. We tested nukes of similar power over the Pacific, with no ill-effects except irradiated islanders and fishermen.

Major cities really are very small targets.
 
2013-02-15 11:05:22 AM  

Theory Of Null: If it landed in in Best Korea, they would go ape shiat and blame us.


There wouldn't be anyone left to blame us.
But if it DID happen, and there WAS anyone left, they would certainly tell their people that it was a weapon we fired at them.
 
2013-02-15 11:06:00 AM  

exparrot: UberDave: Most people would disappear.  Those that were left would be normal humans and psychopathic, murderous, nutcases with a short life span.  The nutcases would soon die off and the normal humans would survive but have a strange affinity for vector-graphics video games like Tempest.

[superradnow.files.wordpress.com image 780x439]

Wants your newsletter...


Damn, Catherine Mary Stewart  was smokin' hot
 
2013-02-15 11:06:00 AM  
I assume it would be aiming at a fan.

And Bob's your uncle.
 
2013-02-15 11:06:36 AM  

RoxtarRyan: DysphoricMania: That is a weak way for people that have no understanding of physics to try and give information they don't themselves understand. Why not just do the math, and give us the megaton number? "138 atomic bombs"...? are we talking fat man, little boy, or Czar bomba? Do some damned fact checking...

Not only that, but it makes people think "the fireball will be 138 times as big and the blast radius will cover the continent!!!!" when that is far from the truth.



Well if my math is correct there's a 1000 kilotons in one megaton. Little boy was around 16 kilotons (and the amount of fissile material was about the size of a grapefruit. Just think about that.) so 16x138 is 2208. So a little over 2 megaton blast.

And hey kids... wanna blow up your own hometown? Here's a simulator for you!!!
 
2013-02-15 11:06:43 AM  

spentmiles: It'd be cool if we could throw some sort of ultra-strong chain around a passing asteroid.  Then it could pull the entire earth through space.  We could tour the universe and visit far away places like the moon without worrying about the intricacies of long-range space travel.  It'd be like an intergalactic hover-round carrying all the fat people of earth on incredible adventures.  Then, when we wanted to go a different direction, we could cut ties and lasso another passing asteroid.  Scientists are good with the details, but they can't see big picture stuff like I can.


And this is why you are favorited.
And it actualy seems like a fun idea...
 
2013-02-15 11:08:57 AM  

Dimensio: jehovahs witness protection: Hopefully it would hit some terrible place like the Mideast, North Africa or Detroit.

If a meteor hit and devastated Detroit, how would any observe notice?

/I am, of course, not serious.
//The resulting improvement to the city would be immediately noticeable.



In fairness, the crime rate really would drop.

katerbug72: Not Detroit, I live 32 miles away. Detroit will take care of itself in its destruction.


Since when has Detroit ever taken care of itself?
 
2013-02-15 11:18:40 AM  

spentmiles: It'd be cool if we could throw some sort of ultra-strong chain around a passing asteroid.  Then it could pull the entire earth through space.  We could tour the universe and visit far away places like the moon without worrying about the intricacies of long-range space travel.  It'd be like an intergalactic hover-round carrying all the fat people of earth on incredible adventures.  Then, when we wanted to go a different direction, we could cut ties and lasso another passing asteroid.  Scientists are good with the details, but they can't see big picture stuff like I can.


You mean comet right? Asteroids are for the most part just orbiting the sun like we are.
 
2013-02-15 11:22:59 AM  

MythDragon: spentmiles: It'd be cool if we could throw some sort of ultra-strong chain around a passing asteroid.  Then it could pull the entire earth through space.  We could tour the universe and visit far away places like the moon without worrying about the intricacies of long-range space travel.  It'd be like an intergalactic hover-round carrying all the fat people of earth on incredible adventures.  Then, when we wanted to go a different direction, we could cut ties and lasso another passing asteroid.  Scientists are good with the details, but they can't see big picture stuff like I can.

And this is why you are favorited.
And it actualy seems like a fun idea...


Ditto. And it was easy to visualize all the way through.
 
2013-02-15 11:23:51 AM  

FuturePastNow: SpectroBoy: Incontinent_dog_and_monkey_rodeo: It's only 150 feet across.  Yes, it's moving very fast, but unless it was a direct hit on a major city, the deaths probably wouldn't reach 100.

Then again, the actual scientists (fta) said this:

This means that an asteroid like this would likely explode in the air, releasing the energy equivalent of about138 atomic bombs like the one that the Boeing B-29 SuperfortressEnola Gay dropped over Hiroshima on August 9, 1945

My guess is that if you explode the equivalent of 138 atomic bombs in ANY populated area, even a small town, deaths would be numerous.

About 70% of the Earth's surface is ocean, so any meteor that hits us is likely to hit water. If the meteor actually strikes the ocean surface, it would likely trigger a tsunami, but an airburst 8-10 KM over the ocean probably wouldn't do that. We tested nukes of similar power over the Pacific, with no ill-effects except irradiated islanders and fishermen.

Major cities really are very small targets.


You're forgetting city density.  All the buildings and material increase the gravity of a city, so the meteor would be pulled more strongly from that part of the world.  Why do you think all the movies show world shattering events happening in major cities?  It's not just the usual Hollywood arrogance than important things only happen in cities, it's actual science.
 
2013-02-15 11:26:01 AM  

palelizard: Why do you think all the movies show world shattering events happening in major cities New York?


Everyone knows the apocalypse starts and ends there.
 
2013-02-15 11:29:36 AM  

MindStalker: spentmiles: It'd be cool if we could throw some sort of ultra-strong chain around a passing asteroid.  Then it could pull the entire earth through space.  We could tour the universe and visit far away places like the moon without worrying about the intricacies of long-range space travel.  It'd be like an intergalactic hover-round carrying all the fat people of earth on incredible adventures.  Then, when we wanted to go a different direction, we could cut ties and lasso another passing asteroid.  Scientists are good with the details, but they can't see big picture stuff like I can.

You mean comet right? Asteroids are for the most part just orbiting the sun like we are.


So are comets.

In any case, for this idea to work, I cannot imagine the inertia required by something so much smaller than the earth to achieve enough mass to pull the whole planet along with it - and break it from the sun's gravity.
 
2013-02-15 11:31:48 AM  

Theory Of Null: If it landed in in Best Korea, they would go ape shiat and blame us.


But holy shiat, the comedic value would be golden.
 
2013-02-15 11:36:44 AM  
Not meaning to start any rukus, but a "conspiracy " site I read is reporting a meteor explosion over Cuba this morning ? I can't find any news so far.
 
2013-02-15 11:39:08 AM  

SpdrJay: Not meaning to start any rukus, but a "conspiracy " site I read is reporting a meteor explosion over Cuba this morning ? I can't find any news so far.


Completely unrelated, just a coincidence.  These things hit daily all over the place.  Worse than drunk drivers from what I hear.
 
2013-02-15 11:40:46 AM  

UberDave: Most people would disappear.  Those that were left would be normal humans and psychopathic, murderous, nutcases with a short life span.  The nutcases would soon die off and the normal humans would survive but have a strange affinity for vector-graphics video games like Tempest.



DMK
 
2013-02-15 11:41:21 AM  

UberDave: Most people would disappear.  Those that were left would be normal humans and psychopathic, murderous, nutcases with a short life span.  The nutcases would soon die off and the normal humans would survive but have a strange affinity for vector-graphics video games like Tempest.


Not quite yet. It's a city killer, not a planet killer. It is estimated that, if it were to impact Earth, it would enter the atmosphere at a speed of 12.7 km/s, would have a kinetic energy equivalent to 3.5 megatons of TNT, and would produce an air burst with the equivalent of 2.9 megatons of TNT at an altitude of roughly 8.5 kilometers (28,000 ft). The Tunguska event has been estimated at 3-20 megatons. The Tunguska explosion knocked an estimated 80 million trees down over an area covering 2,150 square kilometres (830 sq mi) It is the largest impact event on or near Earth in recorded history - and probably still would be.
 
2013-02-15 11:43:36 AM  
i.imgur.com
 
2013-02-15 11:47:39 AM  

way south: No more boom today.

Boom tomorrow.
There's always a boom tomorrow.

/What?
/Look, somebody's got to have some damn perspective around here!
/Boom. Sooner or later. BOOM!


i45.tinypic.com
 
2013-02-15 11:51:13 AM  

DysphoricMania: FTFA: "releasing the energy equivalent of about 138 atomic bombs "...  It really gets on my tits when they say something like this.  No frame of reference, it's like saying "2,000 henweighs"....

About 4 lbs, in case you were asking....

X number of Hiroshima... hate that too. That is a weak way for people that have no understanding of physics to try and give information they don't themselves understand. Why not just do the math, and give us the megaton number? "138 atomic bombs"...? are we talking fat man, little boy, or Czar bomba? Do some damned fact checking...

Crap journalism. It must stop.


Agreed.

I prefer all my energy figures be given on the moment magnitude scale.
 
2013-02-15 11:51:46 AM  

palelizard: Dimensio: jehovahs witness protection: Hopefully it would hit some terrible place like the Mideast, North Africa or Detroit.

If a meteor hit and devastated Detroit, how would any observe notice?

/I am, of course, not serious.
//The resulting improvement to the city would be immediately noticeable.


In fairness, the crime rate really would drop.

katerbug72: Not Detroit, I live 32 miles away. Detroit will take care of itself in its destruction.

Since when has Detroit ever taken care of itself?


When it comes to destroying itself. That's when.
 
2013-02-15 11:55:46 AM  

Funbags: [i.imgur.com image 589x732]


This! I'd be very happy if an asteroid got just close enough to scare the hell out of us that a one percent increase to NASA seems reasonable to the majority of the population and congress.
 
2013-02-15 12:04:02 PM  
2.bp.blogspot.com
 
2013-02-15 12:05:28 PM  
You wish we had a Death Star now, don't you?
We could just turn it around and vaporize the asteroid.
Thus keeping the world safe.  Keeping the children safe.

Why do you want to kill the children?

\Death Star = Life!
 
2013-02-15 12:07:05 PM  
 
2013-02-15 12:18:02 PM  
pleas..oh please hit san francisco

yea we're still stuck with places like florida, dc and new york..
but I would be extremely amused for a long time
 
2013-02-15 12:18:39 PM  
American Museum of National History?  Do they have displays of museum displays?
 
2013-02-15 12:19:04 PM  

ValKilmersElbow: We should put meteor free zone signs all over the places we don't want a meteor to fall on, then hastily push a meteor ban through congress.  Lets strike while the emotions are still raw!


Came here to say this, leaving satisfied.
 
2013-02-15 12:21:59 PM  
I'm surprised there hasn't been more said in this thread about the rock that hit Russia yesterday.

I was just reading an article about that.  One of the scientists at MIT simply said, "eh, no connection.  Just a cosmic coincidence."
Really?!  Ya think?

This is like the equivellent of driving down the road, watching a 2 cars come close to colliding and getting rear-ended by some guy on a scooter.
 
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