SPACE VOCABULARY

4. Path an object takes as it moves around another object in space.
5. Large celestial body that orbits a star.
7. Robot designed to explore the surface of a planet or moon.
8. Small rocky body that orbits the Sun.
11. Icy body releases gas and dust, forming a glowing head and tail as it approaches the Sun.
12. Bouncing of light off a celestial body, like the Moon.
15. Layer of gases surrounding a celestial body.
16. Object that orbits a planet or star; can be natural or artificial.
17. Any natural object in space, like a planet, moon, or star.
18. Tool used to observe distant objects in space.

1. Small particle from an asteroid or comet that orbits the Sun. Still in space.
2. Natural satellite that orbits a planet.
3. Group of planets and other objects that orbit the Sun.
6. Release of light from a celestial body, like the Sun.
9. Celestial body that is similar to a planet but does not meet all criteria to be classified as one.
10. Unmanned spacecraft designed to collect data about space.
13. Force that pulls objects towards each other.
14. Region of space between Mars and Jupiter where most asteroids are found.