Across
- 3. the action of rotating around an axis or center
- 4. a system of millions or billions of stars, together with gas and dust held together by gravity
- 6. a natural luminous body visible in the sky especially at night
- 7. any of the large bodies that revolve around the sun in the solar system
- 9. a huge collection of stars, planets,dust and gas
- 10. small, rocky objects that orbit the sun
Down
- 1. a group of planets and other bodies that revolve around a star
- 2. the curved path taken by a planet , spaceship or satellite around a celestial body, as the sun
- 5. an object that moves around a larger object
- 8. an imaginary line about which a body rotates
