Thursday 23 April 2015

Can we find an ancient Earth-like planet with a dying biosphere?

EXO WORLDS
Can we find an ancient Earth-like planet with a dying biosphere?
Moffet Field CA (NASA) Apr 23, 2015 - Our Sun will evolve into a red giant star billions of years from now. The increased heat from the expanding Sun will scorch the Earth with dire effects to life. Climate models can be used to predict how this will happen, but, of course, this cannot be tested out on Earth. Jack O'Malley-James of the Institute for Pale Blue Dots at Cornell University, along with colleagues, have been calcula ... more


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