Basic Astronomical Objects Cheat Sheet

A Education › Astronomy cheat sheet in English by Vander
10,280 views 1,831 downloads 5 Sep 2015 History
3.7 avg · 0 ratings

Celestial Bodies

star
planet
dwarf planet
moon (or satellite)
asteroid
comet
small solar system body

Defini­tions

Large, glowing ball of gas. Generates heat and light through nuclear fusion in its core.
Large object that (1) orbits a star, (2) is large enough for its own gravity to make it round, (3) has cleared most other objects from its orbital path. Shines by reflecting light from its star.
Object that fails to meet the last criterion to be a planet.
Orbits a planet. Can refer to any object orbiting another object.
Small, rocky object that orbits a star.
Small, ice-rich object that orbits a star.
Asteroid, comet, or other object that orbits a star but is too small to qualify as a planet or dwarf planet

Examples

Sun
Earth
Pluto
Europa (of Jupiter)
Apophis
Halley­'s Comet
Asteroids, Comets, etc.

Badges

Good Cheat Sheet Nice Cheat Sheet Downloaded from Unusual Locations × 1

Comments

No comments yet.

Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.