Across
- 5. of or relating to or caused by gravitation
- 6. a mass that enters earth's atmosphere, becoming incandescent
- 9. a small celestial body composed of rock and metal
- 10. supreme god of Romans; counterpart of Greek Zeus
- 11. a configuration of stars as seen from the earth
- 14. a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field
- 16. a region of space resulting from the collapse of a star
Down
- 1. pertaining to or characteristic of the universe
- 2. the distance that light travels in a vacuum in 1 year
- 3. small extraterrestrial body that hits the earth's atmosphere
- 4. the god of the underworld in ancient mythology
- 7. a collection of star systems
- 8. any location outside the Earth's atmosphere
- 12. an immense cloud of gas and dust in interstellar space
- 13. a small frozen mass that travels around the sun
- 15. a burst of light used to communicate or illuminate