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