Name: Mike Collins
Is there going to be a end to the earth.
Mike, the most recent computer simulations have the earth actually leaving
our solar system a few billion years in the future. Earth will end up as an
iceball flying through outer space. The good news is that we wont be burned
to a crisp as the sun expands before its final bow.
If protons decay, which some people say they will, then the Earth
will return to energy, electrons and positrons in about 10^38 years
from now. The Earth will become uninhabitable when the Sun goes nova
or becomes a red giant, about 5 billion years from now. The human
species will probably cease to inhabit the Earth in of order a million
years from now, as it evolves into something else, or becomes extinct,
unless we destroy ourselves sooner.
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Update: June 2012