Article View: sci.physics
Article #679Re: velocity calculation
From: Mcirvin
Date: Tue, 04 Aug 1992 20:50
Date: Tue, 04 Aug 1992 20:50
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brahm@cco.caltech.edu (David E. Brahm) writes:
[about interstellar travel at constant acceleration]
>Fuel supply, of course, is the stickler here...
Not to mention the presence of the interstellar medium! A ship
traveling at a gamma of five or ten is flying through a sea of
hydrogen atoms with kinetic energies of four or nine GeV. As the
trip gets longer the energies get higher. This could well be an
obstacle as troublesome as propulsion.
--
Matt McIrvin mcirvin@husc.harvard.edu
"Robber bands stretched across the land, snapping up ill-gotten loot."
-- "The Lone Stranger and Porky"
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Path: arc1-ca.pugleaf.net!sparky!uunet!ogicse!das-news.harvard.edu!husc-news.harvard.edu!husc8!mcirvin From: mcirvin@husc8.harvard.edu (Mcirvin) Newsgroups: sci.physics Subject: Re: velocity calculation Message-ID: <mcirvin.712961428@husc8> Date: 4 Aug 92 20:50:28 GMT Article-I.D.: husc8.mcirvin.712961428 References: <1992Aug2.211411.29825@cco.caltech.edu> <1992Aug3.155410.29079@email.tuwien.ac.at> <1992Aug4.184349.26863@cco.caltech.edu> Lines: 16 Nntp-Posting-Host: husc8.harvard.edu