What a load of gobbly-gook !
All they know is the distance between Kepler-22b, and its host G-type star (which is about 25% cooler than our Sun). They haven't measured the surface temperature of the planet, they have no idea of the composition of the planet ... and it is 600 light-years from Earth!
Out of 2,326 planet candidates, they've found one which is positioned such that its solar derived temperature
is believed to be 22 degrees C???? And from that, they rave on about possible liquid water and thence life???
What a load of drivel ! ….
Quote:
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Is life restricted to Earth, or could it exist somewhere like Kepler 22-b?
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… at 600 light years from Earth we'll never know in our lifetimes !
The accurate, default assumption is simply: "We don't know .. and are likely to not know for a long, long, long time (if ever)" !
Sorry … but the purpose this article serves, is nothing more than a pile of science-fiction and pure fantasy!
Cheers