Across
- 2. a moon, planet or machine that orbits a planet or star
- 4. between the stars
- 5. describe things relating to the sun
- 6. a cloud of dust and gas in space that produces new stars
- 8. a building with a large telescope from which scientists study things such as the planets by watching them
- 10. a group of stars which form a pattern and have a name
- 11. a flight made by an aircraft or a spacecraft over a particular place in order to record details about it
Down
- 1. relating to or resulting from the force of gravity
- 2. an exploding star
- 3. scientists who study the stars, planets, and other natural objects in space
- 7. an imaginary line through the middle of something
- 9. the angle between an object's rotational axis and its orbital axis