Across
- 4. A group of stars that form a pattern in the sky.
- 5. A satellite in which people can live and work for long periods.
- 6. The Sun and ts family of orbiting planets, moons, and other objects.
- 8. Space and all the matter and energy in it.
- 10. A device that gathers visible light or another form of electromagnetic radiation.
- 11. A body that produces a coma of gas and dust: a small, icy bothy that orbits the Sun.
- 14. The distance between one peak and the next peak on a wave.
- 15. The path of an object in space as it moves around another object due to gravity.
Down
- 1. A round pit left behind on the surface of a planet or other body in space after a smaller object strikes the surface.
- 2. Energy that travels across distances as certain types of wavelengths.
- 3. It is an object that orbits a more massive object.
- 7. It is a craft designed to land on a planet's surface.
- 9. It is often used to describe a spacecraft that drops into a planet's atmosphere.
- 12. Millions or billions of stars held together in a group by their own gravity.
- 13. A small, solid, rocky, body that orbits the Sun.