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 |
|---|---|
| Full Moon |
The phase of the Moon when its celestial longitude is 180° greater than the Sun’s and its disc thus appears fully illuminated.
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