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