Across
- 1. A group of stars and their planets which together form the universe
- 4. A large self luminous spear of gas
- 7. a domed building in which images of stars, planets, and constellations are projected for public entertainment or education
- 9. A bodies circular movement on an axis running through it
- 10. The star around which the earth and the other planets in solar system revolve
Down
- 2. An imaginary lines which passes through a body on which the body rotates
- 3. A pattern of stars forming a particular shape
- 5. The movement of one body around another on an orbit
- 6. The imaginary line where the sky appears to meet the land
- 8. way The galaxy containing the solar system