Across
- 2. The natural satellite that goes around the Earth.
- 4. The empty area beyond Earth's atmosphere where stars and planets are.
- 6. A large, round object that moves around a star. Earth is one.
- 8. An icy object with a long, bright tail that travels through space.
- 9. The curved path that a planet or satellite takes around a much larger object.
Down
- 1. A vehicle that flies into space, often used to launch satellites.
- 3. A huge group of stars, dust, and gas. Our Milky Way is an example.
- 4. The star at the center of our solar system, which gives us light and heat.
- 5. This word part means 'star' or 'space'. (Hint: Astronaut)
- 7. A very hot, bright ball of gas in space, like our Sun.