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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| Orbiting Solar Observatory Oso |
A series of US satellites, launched between 1962 and 1975, for various scientific studies of the Sun, particularly at ultraviolet and X-ray wavelengths.
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