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 |
|---|---|
| Centaurs |
A class of asteroids with orbits in the outer part of the solar system. Examples are Chiron and Pholus. Their orbits are within Neptune’s but they approach no closer to the Sun than Jupiter. Their orbits are unstable, and easily perturbed when they pass close to one of the giant planets.
|