Space Vocabulary

3. The imaginary line that something rotates around.
6. Rocks floating around in space. Some are the size of a pick-up truck. Others are hundreds of miles across.
8. An object that orbits another object
9. A planet that freely floats between stars or one that orbits a star outside our solar system.
11. a massive, glowing ball of superheated gas held together by gravity, giving off light and heat.
12. An icy rock that lets off gas and dust
14. The spinning motion of an object around its axis.
15. The streak of light caused when a meteoroid enters a planet’s atmosphere and starts to burn from the heat of friction
16. The curved path that a planet, satellite, or spacecraft moves as it circles around another object.
17. is the orbital motion of an object around another object.

1. A large body in outer space that circles around the sun or another star.
2. A collection of thousands to billions of stars held together by gravity.
4. A meteoroid that lands on the surface of a planet.
5. The gases held by gravity around Earth and around other planets; gases around stars.
7. a ball-shaped object.
10. A natural object that travels around a bigger natural object; a natural satellite.
12. the center of an object.
13. A little chunk of rock in space smaller than a pick up truck.