Across
- 1. A moon of Mars
- 5. A group of stars in the night sky
- 9. An ice giant rotationg on its side
- 10. The farthest planet of the Solar system
Down
- 2. A piece of a comet or an asteroid fallen to the Earth
- 3. A gas that makes up the Sun
- 4. Everything that exists
- 6. A device sent to the stars to get information and take measurements
- 7. A unit used to measure distances in space
- 8. A place in space with extremely strong gravity