Across
- 2. Line where the sky appears to meet the Earth.
- 6. Impact mark often observed on the moon.
- 7. Cloud of gas and dust where stars can form.
- 9. North Star used for navigation.
- 10. Icy object that develops a bright tail when near the sun.
- 13. Measurement of a star’s brightness.
- 14. Longest or shortest day of the year.
- 15. Path one body takes as it revolves around another.
Down
- 1. Group of stars forming a recognizable pattern.
- 3. Instrument used to magnify distant celestial objects.
- 4. Time when day and night are roughly equal in length.
- 5. Small star pattern such as the Big Dipper.
- 8. Massive system of stars, dust, and gas held together by gravity.
- 11. Streak of light caused by a particle burning in Earth’s atmosphere.
- 12. Point directly overhead in the night sky.