Across
- 5. the planet we live on
- 6. the star witch earth orbits around
- 7. an instrument that allows us to see into space
- 8. a giant ball made of hot gases.
- 11. a piece of rock or metal that lands on Earth’s surface
- 13. the force that pulls to objects together
Down
- 1. everything that exists in space.
- 2. a person trained to travel in a spacecraft
- 3. a vehicle designed to carry people into space.
- 4. a natural or artificial body in orbit around a planet
- 9. small rocky objects that orbit the Sun.
- 10. a push or pull on an object when it interacts with another.
- 11. our universe that has 200 billion stars.
- 12. a person who studies space.