ASTRONOMICAL TERMS
Across
- 1. the path of the earth around the sun
- 3. are satillites of stars
- 7. the name given to a collision between two objects
- 8. the satellites of planets
- 9. a group of stars which appear to form a pattern or picture in the night sky
- 11. a measure of a body's brightness
Down
- 2. a region in space that has such an enormous force of gravity that no light can escape
- 4. huge spheres of burning gas, the source of light and heat
- 5. pieces of rock or metal that orbit the sun which are too small to be planets
- 6. a person who travels and works in space
- 10. our closest star
- 12. the force that holds us to the earth