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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| Kleinmann-Low Nebula |
An extended source of infrared radiation in the Orion Nebula. It is a region of star formation in the central dark part of the nebula, lying behind the optically luminous gas.
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