Space Crossword

2. A celestial object that consists of ice and dust and develops long tails when near the sun
6. Two times each year when day and night are approximately equal in length on Earth, and occurs when the center of the sun is directly above the Earth’s Equator
9. A unit of astronomical distance equivalent to the distance that light travels in one year (9.46 trillion km, 5.88 trillion miles) (2 words: 5, 4)
10. A small rocky body orbiting the sun
11. Areas in space where gravity is so strong that nothing can escape them (2 words: 5, 4)
14. A stellar core remnant composed mostly of electron-degenerate matter (2 words: 5, 5)
15. The galaxy that our Solar System is in (2 words: 5, 3)
18. A group of stars that is traditionally named after its apparent form of a mythological figure

1. It is the second layer of the atmosphere as you go upward
3. Chunks of rock or dust from space
4. The outer and lighter region of a sunspot
5. A name for the habitable zone in an orbit
7. A powerful and luminous explosion of a star
8. A bright circle seen around the sun or moon
12. Life that may occur outside Earth and which did not originate on Earth
13. A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction
16. The total or partial obscuring of one celestial body by another
17. An orderly or harmonious universe