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Across 1. When one celestial body obscures another 6. A scientist who studies the stars and other objects in the sky 8. A celestial body that orbits a planet 9. An object made of ice, rock, and dust that has a tail and orbits the sun 10. A physical force that pulls objects together. 12. The mass of air surrounding the Earth

Down 2. Patterns of stars in the sky 3. A large, circular like hole made when an asteroid or comet collides with a planet or moon 4. Rocks from outer space that land on Earth 5. An object that revolves around another 7. A small rocky object that orbits around the sun 11. A celestial body made up of gas