Space/Science — HabitableZone

Space/Science » in reply to Phantom Planet

re: Phantom Planet

It has finally struck you: Mars is not Earth-like.

All of that glory days stuff went on while Mars was thought to be Earth-like.

But that's okay, people are now begining to understand the hazard that impacts present to man on Earth. Space development has an entirely new driver.

E.P. Grondine
Man and Impact in the Americas

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