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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| Wiyn Telescope |
A 3.5-metre 138-inch telescope at Kitt Peak, opened in 1994. It is operated jointly by the University of Wisconsin, Indiana University, Yale University, and the National Optical Astronomy Observatories.
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