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- Xref: sparky sci.space:15622 alt.sci.planetary:261
- Newsgroups: sci.space,alt.sci.planetary
- Path: sparky!uunet!boulder!ucsu!spot.Colorado.EDU!knapp
- From: knapp@spot.Colorado.EDU (David Knapp)
- Subject: Re: Lunar "colony" reality check
- Message-ID: <1992Nov10.164426.12127@ucsu.Colorado.EDU>
- Sender: news@ucsu.Colorado.EDU (USENET News System)
- Nntp-Posting-Host: spot.colorado.edu
- Organization: University of Colorado, Boulder
- References: <BxEt07.G32@techbook.com> <1992Nov9.192439.1354@iti.org> <1992Nov10.152154.9709@eng.ufl.edu>
- Date: Tue, 10 Nov 1992 16:44:26 GMT
- Lines: 17
-
- In article <1992Nov10.152154.9709@eng.ufl.edu> joev@sioux.eel.ufl.edu (Joseph Versagg) writes:
- >Sorry for rehashing what was posted earlier, or , even worse, what may now
- >be common knowladge, but what is this about ice at the poles of Mercury?
- >Since Mercury rotates, although slowly, ice would be baked off the surface,
- >then would leak into space due to the low gravity.
-
- Since the obliquity is almost exactly 90 degrees, there are regions, in the
- shadows of craters, etc, which literally never see light. In fact, a recent
- paper in Science magazine reports that water ice may be stable in those regions
- on the order of a billion years. (not bad)
-
- Pick up last week's Science as there are three articles, back to back,
- on this subject.
-
- --
- David Knapp University of Colorado, Boulder
- Perpetual Student knapp@spot.colorado.edu
-