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- Newsgroups: sci.space
- Path: sparky!uunet!munnari.oz.au!constellation!convex!convex!darwin.sura.net!gatech!ncar!noao!stsci!stosc!gawne
- From: gawne@stsci.edu
- Subject: Re: Mir mission to Mars?
- Message-ID: <1993Jan27.194312.1@stsci.edu>
- Lines: 14
- Sender: news@stsci.edu
- Organization: Space Telescope Science Institute
- References: <C1IpJF.1Ev.1@cs.cmu.edu> <1993Jan27.212245.20024@stsci.edu>
- Distribution: sci,na
- Date: Thu, 28 Jan 1993 00:43:12 GMT
-
- In article <1993Jan27.212245.20024@stsci.edu>, rdouglas@stsci.edu
- (Rob Douglas) asks:
-
- > So what is it that keeps Mir astronauts alive in Earth orbit?
- > Are you saying that some of the Earth's atmosphere protects them
- > to an extent that those in interplanetary travel would notice the
- > difference?
-
- The Earth has an extensive magnetic field that deflects charged particles.
- Since cosmic rays are charged particles then Mir is protected from them.
- Not to say there is no cosmic ray flux at Mir, just a lot less than
- it would experience in interplanetary flight.
-
- -Bill Gawne, Space Telescope Science Institute
-