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 |
|---|---|
| Hevelius |
A lunar crater, 118 kilometres 73 miles in diameter, on the western border of the Oceanus Procellarum. There is a system of clefts on the crater floor.
|