To obtain more information about satellites observing the sky in x-rays and gamma rays, you can contact the archive of the Laboratory for High Energy Astrophysics at Goddard Space Flight Center.

Some documents in that archive can be linked directly from here:

• General Information
• Uhuru, the first small x-ray satellite.
• Small Astronomy Satellite 3, a follow-up mission.
• HEAO 1 , High Energy Astronomical Observatory 1.
• The Einstein Observatory or HEAO 2.

Other space missions observing x-rays and gamma-rays from the universe can be reached from the first site of the ones listed above

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Author and Curator:   Dr. David P. Stern
     Mail to Dr.Stern:   education("at" symbol)phy6.org

Co-author: Dr. Mauricio Peredo

Spanish translation by J. Méndez

Last updated 25 November 2001