http://men.msn.com/articlepm.aspx?cp-documentid=1628365>1=8991
25 million ton asteroid will be the first in human history to pass close enough to be seen with the naked eye in 2029 (it will pass closer than many of our satellites).
The trouble comes in if the asteroid passes through the "keyhole", an area of our orbit that would cause the asteroid to certainly hit the Earth in 2036. There is a 45,000 to 1 chance of this happening. Once it goes through the keyhole, we do not have the technology to move it the 5,000 miles off its course it would take for it to miss earth.
The tough question comes in that we have the technology to cause it to miss the keyhole, but it would take around 12 years to plan such a mission and would be incredibly expensive. We won't know for sure if it will hit the keyhole until 2021, too late to stop it at our current technological level.
So do we blow the energy and money to divert it now, or risk it?
2007-01-10
16:23:41
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11 answers
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asked by
red_necksuck
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in
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