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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| Wild Duck M11; Ngc 6705 |
An open cluster of about 200 stars in the constellation Scutum. Its name comes from its shape, which is fan-like in small instruments and resembles somewhat a flight of wild ducks.
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