Across
- 2. The path followed by an object around another object
- 3. A massive collection of stars, gas, and dust
- 6. A small celestial body that enters Earth's atmosphere
- 7. A luminous celestial body made of hot gas
- 9. Icy body that releases gas and dust as it travels
- 10. Celestial body that revolves around a star
Down
- 1. A cloud of gas and dust in outer space
- 4. A person who travels in space
- 5. An optical instrument for viewing distant objects
- 8. A vehicle used to travel through space