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- Newsgroups: sci.space
- Path: sparky!uunet!spool.mu.edu!torn!utzoo!henry
- From: henry@zoo.toronto.edu (Henry Spencer)
- Subject: Re: Sea floor Planetary Protection really.
- Message-ID: <C05Cr9.991@zoo.toronto.edu>
- Date: Thu, 31 Dec 1992 23:18:42 GMT
- References: <C03tGM.DpE.1@cs.cmu.edu> <1hvg8sINNppt@mirror.digex.com> <1992Dec31.204838.14165@twisto.eng.hou.compaq.com>
- Organization: U of Toronto Zoology
- Lines: 9
-
- In article <1992Dec31.204838.14165@twisto.eng.hou.compaq.com> mccreary@sword.eng.hou.compaq.com (Ed McCreary) writes:
- >... After it's mission is finished, MO will be raised to a high
- >enough orbit to prevent it's re-entry for X thousand years.
-
- This may be a little academic, since as I recall, as of its shutdown in
- 1972, Mariner 9's estimated orbital lifetime was only half a century.
- --
- "God willing... we shall return." | Henry Spencer @ U of Toronto Zoology
- -Gene Cernan, the Moon, Dec 1972 | henry@zoo.toronto.edu utzoo!henry
-