Across
- 2. when an object in space passes directly between two other object
- 4. way the galaxy which you live in
- 8. the movement of an object in a circular course around another object
- 9. rise and fall of surface levels of the earths ocean water caused by gravity
- 10. made of gas, dust, and billions of stars- has 3 different shapes
Down
- 1. made of planets, moons, asteroids, comets, dust, and gas that orbit the sun
- 3. unit of measurment for distance to stars and galaxys in space
- 5. chunks of rock that burn upon entering a planets atmosphere
- 6. a star in the milky way in a spiral arm 2/3 of the way to the center of the galaxy
- 7. the spinning of a planet on its axis