Across
- 4. An event that occurs when the shadow of a planet or moon falls upon a second body.
- 6. Last name of the second man to walk on the moon
- 7. A solid piece of debris,that originates in outer space and survives the fall through the Earth’s atmosphere and collides with the Earth’ surface.
- 10. Closest star to the earth, after the sun
- 11. Outer part of the sun's atmosphere
- 14. Name of Jupiter's largest moon
- 15. A series or chain of craters
Down
- 1. a ______ satellite appears nearly stationary in the sky as seen by a ground-based observer
- 2. ______ said, "That's one small step for man, one giant leap for mankind
- 3. First Indian to venture into space
- 5. An explosion caused when a star exhausts fuel and ends its life
- 8. This constellation is named after a hunter in Greek mythology
- 9. A branch of science that deals with studying the origin, structure, and nature of the universe.
- 12. Name of the first dog that went into space
- 13. One of the two planets that don't have a moon