Newsgroups: sci.space.shuttle
Path: utzoo!henry
From: henry@zoo.toronto.edu (Henry Spencer)
Subject: Re: Gallileo vs Ulysses orbits to Jupiter
Message-ID: <1990Sep18.034449.29398@zoo.toronto.edu>
Organization: U of Toronto Zoology
References: <1990Sep16.013630.22643@news.arc.nasa.gov> <15004@burdvax.PRC.Unisys.COM>
Date: Tue, 18 Sep 90 03:44:49 GMT

In article <15004@burdvax.PRC.Unisys.COM> techpubs@PRC.Unisys.COM (Technical Pub. Vince Short) writes:
>My question: if this can be done for Ulysses (direct transfer orbit 
>to Jupiter), why couldn't it have been done for Gallileo...
>... Is Gallileo so much heavier than Ulysses? 

Yes.  Ulysses is tiny by comparison.  The first two Shuttle/Centaur launches
were originally going to carry (a) Galileo and (b) a *pair* of Ulysses-class
probes, back in the days before the US reneged on its "commitment" to the
International Solar Polar Mission.
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