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[io9]Slim chance that asteroid named after Stargate villain could hit Earth in 2036 - Page 12

post #111 of 144
Quote:
Originally Posted by jacobthellamer View Post
A large portion on the energy would be exerted on the landmass. I doubt the asteroid will explode mid air like nukes are designed to do, if it does most of the energy from an atmospheric explosion will be reflected up into space anyway.

The worst possible scenario would be it hitting the middle of the pacific. That would cause a very large tsunami...
I don't know, Tunguska exploded mid air. But you're right if it is large enough that it actually hits you still have to keep in mind that it'll be far more powerful than an earthquake, since an earthquake usually happens at tens of kilometres under the surface. For instance an earthquake of 5 on the Richter scale causes way more damage than a 7 if the latter has its epicentre located several kilometres further down vs a shallow earthquake of 5 Richter.

An earthquake causes a different kind of damage too. It mainly causes plate tectonics to suddenly burst into horizontal or vertical movement and maybe a tidal wave, if it lifts on plate over an other underneath a sea/ocean. But an asteroid causes an explosion, an earthquake, a shock wave through air and earth, a dust cloud, the crater might shoot debris high into the atmosphere and cause days of meteor showers, etc. It's a different kind of destruction all together.
post #112 of 144
People are so freaking stupid.

Yes, we have the technology to destroy or even affect a 270m asteroid traveling at 69,000 MPH.

/facepalm
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post #113 of 144
Quote:
Originally Posted by xenophobe View Post
People are so freaking stupid.
Yes, we have the technology to destroy or even affect a 270m asteroid traveling at 69,000 MPH.
/facepalm
Source? Not for "people are so freaking stupid", that is in evidence....now. Source for such technology, not to mention, certainty.
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post #114 of 144
Quote:
Originally Posted by enorbet2 View Post
Source? Not for "people are so freaking stupid", that is in evidence....now. Source for such technology, not to mention, certainty.
I think he was being sarcastic... ?
    
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post #115 of 144
Quote:
Originally Posted by rpsgc View Post
I think he was being sarcastic... ?
^ this.
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post #116 of 144
Quote:
Originally Posted by xenophobe View Post
Yes, we have the technology to destroy or even affect a 270m asteroid traveling at 69,000 MPH.
I wouldn't put that much faith in our inferior grade of technology. Asteroids are not easy to destroy, especially the ones that are a solid chunk of iron, which is only a little easier to destroy than the ones that are a solid chunk of iron-nickel alloy. It is incredibly tough stuff, and it is hard enough to machine such stuff in a properly equipped machine shop - yet another matter to try to do it at 69,000 MPH on something the size of a domed stadium.

Of course, even if we had the technology - Congress would fillibuster the bill needed to fund such a thing because there would be some pork barrel items to build in the home districts for the next election...
post #117 of 144
Quote:
Originally Posted by EvanPitts View Post
I wouldn't put that much faith in our inferior grade of technology. Asteroids are not easy to destroy, especially the ones that are a solid chunk of iron, which is only a little easier to destroy than the ones that are a solid chunk of iron-nickel alloy. It is incredibly tough stuff, and it is hard enough to machine such stuff in a properly equipped machine shop - yet another matter to try to do it at 69,000 MPH on something the size of a domed stadium.

Of course, even if we had the technology - Congress would fillibuster the bill needed to fund such a thing because there would be some pork barrel items to build in the home districts for the next election...
He was being sarcastic... hence the "/facepalm" afterwards.
    
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post #118 of 144
Quote:
Originally Posted by Kirmie View Post
Seriously? That's tiny. We could stop that in 2036. I mean all you have to do to knock it off course is nudge it a bit.
You clearly don't get how gravity works. You can nudge it off course, and yeah it will miss. But it will come back around and smack you in the behind. A really big nuke would be in line to turn that asteroid into an amazing meteor shower.
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post #119 of 144
Quote:
Originally Posted by xenophobe View Post
^ this.
Your facepalm didn't render which apparently resulted in a highly localized state akin to brain freeze
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post #120 of 144
Well, I'm interested to see if governments will be able to come to an agreement on how to protect us against threats like these. Current nukes are incapable of completely obliterating it so we don't get hit by all the remnants and the nuke required would be enormously powerful (wonder what nation would get to build and keep it until use?). We have a long time and if it was up to only scientists then this threat would be neutralized quickly with years to spare, however with governments and politics taken into account we may have to just wait and cross our fingers. I realize the chance is small but something tells me that humanity will experience more threats like this.

P.S. That comment about who gets to keep the nuke is talking about how controversial that decision would be, thought I would clarify.
    
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