[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: WWW URLs: Alien Autopsy
> It all depends on how Earth-like you want a planet to be. An Earth-size
> planet with two smaller moons might develop a similar biosphere,
> or maybe it wouldn't. Who knows?
I have never been convinced that a moon is necessary for a biosphere.
Even without a moon, there are *still* tides.
Also, based on some simulations of planetary formation, I suspect
that gas giants may be more common than terrestroid planets.
The peace of God be with you.