Across
- 3. a celestial body that revolves around the sun in an oval orbit
- 5. an explosion from a star in a galaxy that emits more energy than a nova
- 7. an interstellar cloud of dust, gas, and plasma
- 9. minor planet or planetoid
- 11. coldest planet in solar system
- 12. a system of celestial bodies bound by the force of gravity
- 13. hottest planet in solar system
Down
- 1. small objects in the solar system that are smaller than asteroids but larger than a molecule
- 2. sprinkling of light that adorns the sky
- 4. human habitation
- 6. orbit around the star
- 8. a hole in outer space that sucks in the surrounding celestial bodies
- 10. ringed planet