Across
- 2. Our own planet
- 4. Natural satellit of the Earth
- 6. Body gravitating around a planet
- 7. Attraction of bodies between them
- 9. Person who goes into space
Down
- 1. Celestial body which gravitating around a star
- 3. Ship used to go into space
- 5. This is our galaxy
- 6. Celestial body like the sun
- 8. Assembly of many solar systems
- 9. The star of the solar system