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 |
|---|---|
| Gibbous |
An adjective used to describe the phase of illumination of a body shining by reflected sunlight, such as the Moon, when it is between half and full.
|