Across
- 5. a layer of this is between Mars and Jupiter
- 7. a planet that was once in the solar system but now considered as a dwarf planet
- 8. someone who goes to space
- 10. the Earth’s natural satellite
- 12. the galaxy in which we live in
- 13. the hottest planet in the solar system
Down
- 1. when the earth comes in between sun and moon
- 2. the study of space
- 3. a star
- 4. the sun together with all the planets and other bodies that revolve around it
- 6. When the moon comes in between the sun and earth
- 9. the total number of hours an earth day has
- 11. the total number of planets in the solar system
