Across
- 2. the length of time it takes for the earth to orbit the sun one time
- 4. the spin, circular movement of an object on an axis
- 6. an object motion around another object
- 10. The sun the planets that orbit the sun and other objects that orbit the sun
- 11. something we observe to be similar over and over again
Down
- 1. the pool between earth and other objects which acts without even touching
- 3. an arrangement of stars that form a recognizable pattern or outline
- 5. the only star in our solar system
- 7. a scientist who studies, stars planets and objects in the universe
- 8. a period of time that is 24 hours long and includes daytime and nighttime
- 9. a huge object in space that gives off heat and light