Re: SPACE: Beyond Apollo (was: a to-do list for the next century)

From: Robert Bradbury (
Date: Tue Apr 04 2000 - 15:19:14 MDT

Of course I'll point out before one of our rocket jocks jumps
on it, that Venus Lite is going to require some changes in its
orbital velocity... Just out of curiosity, if you make the
planet 1/10th its former mass (with the same volume), how
much are you going to have to change the length of its year?

On Tue, 4 Apr 2000, Damien Broderick wrote:

> At 03:05 PM 3/04/00 -0700, Jeff wrote:
> >I'd like to suggest a compromise. Use only the interior of the planet.
> >Leave in place (properly supported, of course) an outer shell several tens
> >or hundreds of miles thick.
> Ah, a novel kind of mass extinction. (Venus Lite.)
> Damien

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