Across
- 1. Earths only natural satellite
- 2. Manmade object furthest away from Earth
- 3. Independent groups óf stars in the universe
- 5. a person trained for space flight
- 6. the man who discovered gravity
- 7. massive glowing cloud of gas in interstellar space
- 9. the largest moon of Saturn
- 11. the Earth first artifical satellite
- 12. famous telescope named after a famous astronomer
- 13. one of the moons brightest craters
Down
- 1. our galaxy
- 4. nearest major galaxy to the milkyway
- 7. eigth and furthest known planet orbiting the Sun
- 8. closest planet to the sun
- 10. a famous NASA programme to land man on the moon