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From: KFL@MX.LCS.MIT.EDU
Newsgroups: sci.physics
Subject: Orbit puzzle
Message-ID: <249@sri-arpa.ARPA>
Date: Sat, 15-Nov-86 16:02:20 EST
Article-I.D.: sri-arpa.249
Posted: Sat Nov 15 16:02:20 1986
Date-Received: Sun, 16-Nov-86 20:12:37 EST
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From:  "Keith F. Lynch" <KFL@MX.LCS.MIT.EDU>

    From: pyrami!prls!philabs!linus!bs@Ucb-Vax.arpa (Robert D. Silverman)

    Assume that an object in a circular orbit suddenly has its mass cut in
    half.  What happens to the orbit?

It stays the same.
								...Keith