The biological and geological future of the Earth can be extrapolated based upon
the estimated effects of several long-term influences. .... During the last 540
million years, simulations demonstrat...
Mar 23, 2015 ... They can last a fraction of a second, or several minutes. In theory a long GRB
could obliterate Earth's ozone layer, leaving the life on the surface ...
Sep 18, 2013 ... Anatomically modern humans have only been around for the last 200,000 years
— so you can see it takes a really long time for intelligent life to ...
Sep 30, 2013 ... Over the next 5 billion years, it will burn the last of its hydrogen, bloat ... fauna, but
all life on the surface of the Earth will already be long gone.
"Life on Earth will have disappeared long before 7.6 billion years," says Smith, "
Scientists have shown that .... It also doesn't mention an asteroid last I checked.
Sep 19, 2013 ... Earth could continue to host life for at least another 1.75 billion years, ... for the
last 200,000 years — so you can see it takes a really long time ...
Sep 18, 2013 ... Temperatures on Earth will soar and seas evaporate leaving the ... for the last
200,000 years – so you can see it takes a really long time for ...
In the next billion years, the amount of solar radiation reaching the Earth will
increase by ... If a billion years seems too long, just realize that our atmosphere
Jan 22, 2014 ... This water-driven greenhouse effect will keep going long after ... If humans last
that long, Earth would be generally uncomfortable for them, but ...
Sep 20, 2013 ... Earth will not remain habitable for long, time to find another planet, says .... that
have only been verified to exist within the last 100-400 years.