Astronomy / Space Earth/asteroid impacts 3-10 times more common than previously thought!

Link to the article.

According to new research, the odds of a large-scale asteroid impact are actually three to ten times higher than we thought. And the only thing stopping total and utter destruction? Sheer, dumb luck.

The unsettling revelation, which will be presented in full by three former NASA astronauts this coming Tuesday, is the result of a new visualisation of data from a nuclear weapons warning network. The B612 Foundation found that 26 atomic-bomb-size explosions have happened around the world in (thankfully) remote locations since 2001.

:eek:
 

Yaffle

Volunteer Moderator
Good find.

I guess the thing is that moving from a 1 in 10,000,000 in a year to 1 in 1,000,000 still gives a lot of breathing room....?

<suddenly worried the odds a could be exactly one million to one against>
 
It was the approximately two atomic bomb size explosions randomly around the planet every year that kind of had me worried.

For some reason, this scene springs to mind:
BARMAN: Well isn't there anything we can do?

FORD PREFECT: No, nothing.

BARMAN: Well I always thought we were meant to lie down and put a paper bag over our head or something.

FORD PREFECT: If you'd like, yes.

BARMAN: Well will that help?

FORD PREFECT: No. Excuse me I've got to find my friend.

BARMAN: Very well then. Last orders please!
:D
 
It would be cruel if the humanity succeeds in eliminate all nuclear weapons, and some time later, an asteroid crashing upon our heads

:rolleyes:
 
26 atomic-bomb-size explosions have happened around the world in (thankfully) remote locations since 2001

What? This is astonishing, how can there be that big explosions and nobody is reporting about these?
 
http://www.bbc.com/news/science-environment-27039285

This BBC article has the video indicating where the explosions were detected. They're a combination of remote location and high altitude so that might explain why no one's complaining of random explosions. Does make me wonder if anyone on a plane's ever been put in danger by such an event.

Oh thanks for the link. Well yeah, 70% covered in water that explains it. And of course explosions in the atmosphere don't count imo, that's what it's there for, to shield from asteroids ;) That's kind of alarmist to say that 26 detonations took place when the asteroids just burn up in the air.

PS: I always have to think about Terramax when I read articles about asteroids striking the earth.
 
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Well, mostly detonate in the atmosphere. That one in Russia did a fair bit of damage last year I seem to remember, and was comparatively small.

The point being that they are BIG and a LOT more common than originally thought. It really is just a matter of time.
 
It would be cruel if the humanity succeeds in eliminate all nuclear weapons, and some time later, an asteroid crashing upon our heads

:rolleyes:

Nuclear weapons would do piddly squat. About the only useful thing they could be used for would be as thrust for orbit change. Using them to 'destroy' would only change a 'solid' mass to a 'loose' one. The kinetic / mass energy would still be in play.
 
Nuclear weapons would do piddly squat. About the only useful thing they could be used for would be as thrust for orbit change. Using them to 'destroy' would only change a 'solid' mass to a 'loose' one. The kinetic / mass energy would still be in play.
If the object were small enough wouldn't the explosion completely vaporise it? I guess if that would happen though you probably wouldn't bother launching the nuke in the first place. :S
 
If the object were small enough wouldn't the explosion completely vaporise it?

Only the little doctor can do that ;) I do wonder if a nuclear explosion to the side of an asteroid could give it a nudge and make it change course enough.
 
If the object were small enough wouldn't the explosion completely vaporise it? I guess if that would happen though you probably wouldn't bother launching the nuke in the first place. :S

If the object was small enough, you probably wouldn't have top bother, as the atmosphere would take care of it. ;)

About the only realistic way to deal with them is to change their orbit before it becomes too difficult. Hence the research to find them early enough so that it can be done.
 
We are afraid that of a thing, it is that the sky falls us on the head

5337790.jpg


:eek:
 
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