Across
- 3. Astronomers usually work in this place.
- 4. The .............. is our planet.
- 7. An .......... studies the universe.
- 8. Astronauts wear it.
- 9. ............. pulls things back to Earth.
- 11. It is used to look at the stars.
Down
- 1. They shine in the night sky.
- 2. A ................. is a futuristic place to live.
- 5. The Sun is the center of the .............
- 6. A............. is a piece of rock. It travels quickly in space.
- 8. Astronauts live and travel in a ...........
- 10. An .......... travels in space..