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