[QUOTE="xXSecksXx"]If that were to happen, Can't we just launch like 500000000 nukes from all countries across the world to lock onto that thing and blow it to bits in space?markop2003
there would proberbly still be a disaster if it was blown to pieces at regular ICBM range, we could make it work if we did a glancing shot way away from the earth so we could knock it off course
We would have to break the no nuclear arms in space treaty if we were to do it, and I'm sure arguments would arise about who would be the one to shoot off the nuke. Not to mention, if the asterioid is very porous (many holes, kinda like pumice), the blast would simply be absorbed by it, accomplishing nothing.
[QUOTE="LikeHaterade"][QUOTE="Saturos3091"][QUOTE="DivergeUnify"][QUOTE="Saturos3091"]Scary thoughts, and it's happened four times already? Well, it's bound to happen again sometime...hopefully not anytime soon. Also, life has managed to persist after each of those times, so it's possible that there'd still be some hope.
DivergeUnify
Meh, I question that for humans unless we're prepared.
Yeah, obviously preparations would need to be taken, and things like this are predictable now so I don't see why we wouldn't be.From what I heard, I think that there was going to be some kind of gravity gun that would be used to knock an asteroid off it's projected path if there was one heading for earth.
That sounds pretty farfetched, but I know there are methods being discussed( I read a few in popsci, but can't recall).Actually, he's right, although it's not a "gravity gun" as he calls it. Remember that every object has its own gravitational field. You, me, the earth, and even a ladybug outside. All we have to do is put a satellite up near an asteroid heading towards us and let it gently tug on the asteroid. Over 30-50 years, it might move it all of a millimeter, although that would be all it would take. A millimeter stretched across billions and billions of miles ends up being quite a different trajectory.
Plus, to ease anyone's worries, if I recall correctly congress passed something that says NASA's supposed to have tracked most of the fairly large near earth asteroids within a few years. That'll hopefully give us some warning so we can do something about one on a collision course with earth.
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