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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| Entrainment |
A process by which jets streaming from radio galaxies draw energy from the surrounding interstellar and intergalactic material. As material is sucked in, turbulent eddies are set up. These in turn create shocks which can heat the gas to extremely high temperatures. Pockets of the gas collect and cool; ultimately star formation takes place within them.
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