home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: sci.space
- Path: 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
-
- 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"
-
-