> It is from the earth's magnetic field and the object does >not have to be magnetic, only able to conduct >electricity. .............................. The moving electrons themselves form a magnetic field. .............................. ----- Original Message ----- From: "Sven Grahn" <svengrahn@mail.wineasy.se> To: "Jonathan T Wojack" <tlj18@juno.com>; <SeeSat-L@satobs.org> Sent: Wednesday, December 26, 2001 3:59 PM Subject: Re: Starshine-2 not seen again > At 16:05 2001-12-26 -0500, Jonathan T Wojack wrote: > > > Not the atmosphere but the body of the satellite, Jonathon. > > > Any moving conductor in a magnetic field has induced currents > > > flowing in > > > it. Since most conductors have some resistance, there is energy lost > > > by heat. In the case of a spinning object this comes from the > > > rotational > > > energy. > > > >Yes, that makes sense. Do you know what is the "major" magnetic material > >(in terms of quantity and magnetic field strength. Aluminum is a common > >material used in building satellites, but it is only a paramagnetic > >material) for Starshine? > > > >When the typical satellite has its spin rate gradually reduced, is this > >primary from the atmosphere, or the Earth's magnetic field? > > It is from the earth's magnetic field and the object does not have to be > magnetic, only able to conduct electricity. > > Sven Grahn > ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org http://www.satellite.eu.org/seesat/seesatindex.html
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