Space exploration began with the launch of Sputnik and Astrophysics was born as the application of physics to the phenomena observed by Astronomy, which etymologically means laws of the stars.
There are 2759 entries in this glossary.| Term | Definition |
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| Advanced X-Ray Astrophysics Facility Axa |
An American satellite, scheduled for launch via the Space Shuttle in late 1998, which will provide a national X-ray astronomy facility.
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