Across
- 5. - Rocky body orbiting the sun
- 7. - Explosive death of a massive star
- 8. - Cloud of gas and dust in space
- 9. - Massive system of stars, dust, and dark matter
- 10. - Icy body with a glowing coma
- 11. - Rapidly spinning neutron star emitting beams of radiation
- 13. - Instrument used to observe distant objects
Down
- 1. HOLE - Region with gravitational pull so strong, not even light can escape
- 2. - Streak of light caused by a space rock entering Earth's atmosphere
- 3. - Natural light display in the sky, typically near the polar regions
- 4. - Extremely bright and distant celestial object
- 6. - Path of a celestial body around another body
- 7. - Object that orbits a planet or star
- 11. - Celestial body orbiting a star
- 12. - The universe seen as a well-ordered whole