[ExI] Earth is doomed. Mars is OK, though.

[Mike Dougherty]

On Feb 1, 2008 2:12 AM, Amara Graps <amara at amara.com> wrote:
> Earth will not be able to escape engulfment, despite the positive effect
> of solar mass-loss. In order to survive the solar tip-RGB phase, any
> hypothetical planet would require a present-day minimum orbital radius
> of about 1.15 AU.

... so you're saying that mars is a better option than the moon for
those cryogenic dewars.  An even better plan might be to have migrated
to an extraterrestrial vehicle bound for a younger star by the time
Sol goes into a geriatric state.  :)