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From: henry@utzoo.UUCP (Henry Spencer)
Newsgroups: net.space
Subject: Re: Voyager, on to Uranus.
Message-ID: <5803@utzoo.UUCP>
Date: Fri, 19-Jul-85 12:12:15 EDT
Article-I.D.: utzoo.5803
Posted: Fri Jul 19 12:12:15 1985
Date-Received: Fri, 19-Jul-85 12:12:15 EDT
References: <1792@aecom.UUCP>, <38@escher.UUCP>
Organization: U of Toronto Zoology
Lines: 12

There is one such uncertainty, associated with the 1989 Neptune encounter
rather than the Uranus encounter:  nobody knows whether Neptune has rings
or not.  There is some evidence that it might.  The trajectory tentatively
planned for the Neptune encounter may have to be revised, because if the
ring reports are true, the trajectory takes Voyager straight into them.

Going to a more conservative trajectory would be a pity, because the Neptune
encounter (unlike the Uranus one) is not constrained by the need to reach
the next planet, and the planned path includes a very close flyby of Triton.
-- 
				Henry Spencer @ U of Toronto Zoology
				{allegra,ihnp4,linus,decvax}!utzoo!henry