Re:life
If a planet is suitable for us, it certainly already harbors life. Life always has its ways wherever it can spread, and very fast. A lifeless planet will be hostile to us from the start.
Raoul
Space/Science » in reply to Would a "rare Earth" galaxy really be such a bad thing?
If a planet is suitable for us, it certainly already harbors life. Life always has its ways wherever it can spread, and very fast. A lifeless planet will be hostile to us from the start.
Raoul