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Article #6848Re: Defuse Xray Experiment
From: Dick Edgar
Date: Thu, 21 Jan 1993 19:43
Date: Thu, 21 Jan 1993 19:43
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In article <C0uvAy.C5I.1@cs.cmu.edu> TCS1%DCC.BITNET@uga.cc.uga.edu (Tom Schruefer) writes: > >>With the successful deploy of TDRS-F, STS-54's other primary payload bean >>operations. During orbital night, the Diffuse X-Ray Spectrometer will tke >>measurements of the x-ray background of the solar system's interstellar >>medium. This information will be used to answer questions about a nearb >>super nova that scientists believe occurred about 300,000 years ago. > > Does anyone know which star they are talking about ??? > This *may* have to do with the Geminga object, recently revealed by Rosat and GRO to be a pulsar with an age of about 300,000 years. The best estimate of the distance is around 100 light-years, so is quite close in astronomical terms. Richard J. Edgar (edgar@wisp4.physics.wisc.edu) University of Wisconsin--Madison, Department of Physics "It all depends, of course, upon whether or not it depends or not, of course, if you take my meaning"
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Newsgroups: sci.space Path: arc1-ca.pugleaf.net!sparky!uunet!usc!sol.ctr.columbia.edu!sal.wisc.edu!edgar From: edgar@sal.wisc.edu (Dick Edgar) Subject: Re: Defuse Xray Experiment Message-ID: <1993Jan21.194331.1147@sal.wisc.edu> Organization: Space Astronomy Lab, Madison WI References: <C0uvAy.C5I.1@cs.cmu.edu> Distribution: sci Date: Thu, 21 Jan 1993 19:43:31 GMT Lines: 21