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From: space@mit-mc
Newsgroups: net.space
Subject: Momentum transfer in light sails
Message-ID: <794@mordor.UUCP>
Date: Fri, 1-Mar-85 17:52:23 EST
Article-I.D.: mordor.794
Posted: Fri Mar  1 17:52:23 1985
Date-Received: Sun, 3-Mar-85 04:26:18 EST
Sender: daemon@mordor.UUCP
Lines: 9

From: bsuper%ucbtopaz.CC@Berkeley




     After reading Rick McGeers' description of momentum transfer between
photons and a light sail, it seems to me that all momentum imparted to the
sail must be radial to the sun.  Is there any way to impart momentum to the 
sail in a tangential direction?