Across
- 3. name of the guy who the first believer that the Earth spins around the Sun
- 4. the hottest planet in the solar system
- 5. name of the spacecraft that landed on the Moon in 1969
- 7. Which planet in the solar system has most moons?
- 8. Third planet in the solar system
- 9. the first scientist to look at the night sky through a telescope
Down
- 1. a place in space where gravity pulls so much that even light can not get out
- 2. First man on the Moon
- 6. a big event that started the universe
- 8. one of the galaxies