Across
- 2. billions of galaxies make up…
- 7. earth is a … that moves around the sun
- 8. talk to each other
- 9. when something has life, we say it is…
- 10. planets … the sun
- 12. astronauts live and work in a large…
- 13. the sun, planets, and comets make up our…
- 15. scientist need this to work
- 16. billions of stars and solar system make up a …
Down
- 1. things that can drink, eat, breathe, move, think, grow
- 3. the name of people who may live on other planets
- 4. it pushes a spacecraft through the earth’s atmosphere
- 5. this is made of a cloud of rock, ice, and gas
- 6. there is oxygen to breathe here
- 11. a trip
- 14. our galaxy is the…
- 17. anyone who travels/explores space