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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| Zond |
One of a series of Soviet space probes launched between 1963 and 1970. Zonds 1 and 2 flew by Venus and Mars, respectively, but returned no data. Zond 3 photographed the farside of the Moon in 1965. Zond 4 was a failed mission. Zonds 5, 6, 7 and 8 made flights around the Moon and were recovered on Earth.
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