Across
- 2. a natural object that orbits a planet
- 5. third planet from the sun
- 7. a scientist who studies the stars and other objects in the sky
- 9. the presumes final stage of a white dwarf
- 10. a very large star, much larger then the sun
- 11. the distance that light travels in one year
- 13. occurs when the moon passes behind Earth in relation to the sun
- 14. The galaxy that contains our Solar System
- 15. The study of the moon,stars and other objects in space
- 16. The attractive force between two objects
Down
- 1. A pattern of stars in the sky
- 3. An object an space whose gravity is so strong not even light can escape
- 4. A small rocky body orbiting the sun
- 5. the partial or total blocking of one object by another
- 6. a round pit on the moons surface
- 8. smallest planet closest, to the sun
- 12. a system of million or billions of stars held together by gravitational attraction