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