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 |
|---|---|
| Almanac |
A book of tables giving the future positions of the Moon, planets and other celestial objects, often compiled with additional information of practical value to users. An almanac normally covers the period of one calendar year.
|