Across
- 3. The star at the center of our solar system, a source of light and heat.
- 5. A colorful arc formed by sunlight refracting through raindrops.
- 6. The layer of gases surrounding Earth, including the sky.
- 8. Visible masses of water droplets or ice crystals in the sky.
- 10. A streak of light caused by a space rock entering Earth's atmosphere.
Down
- 1. The period of dim light before sunrise and after sunset.
- 2. Natural light display in the sky, often near the poles.
- 4. A celestial object with a bright nucleus and a tail.
- 7. Earth's natural satellite that orbits around it.
- 9. Luminous celestial objects that twinkle in the night sky.