Astronomy Crossword

6. Particle covered in dust and ice that has a very elongated orbit around the sun
9. Earth's Yearly Motion
10. Massive collection of stars, dust, and gas
11. How elongated an orbit is (measured between 0 and 1)
14. Rock planets: Mercury, Venus, Earth Mars
16. Proof that our universe continues to expand
17. The amount of energy given off by a star aka how bright a star is
18. Sun is the center of our solar system
19. When Earth is not tilted towards or away from the Sun, comes after winter
20. The combination of hydrogen into helium at the core of our Sun
22. Cloud of gas the stars come from

1. Earth is the center of our solar system
2. When Earth is closest to the Sun but Tilted away from the Sun
3. The orgin of the universe
4. When Earth is furthest from the Sun but tilted towards the Sun
5. Gas planets: Jupiter, Saturn, Uranus, Neptune
7. Earth's Daily Motion
8. When the Moon goes in between the Earth and the Sun, blocking the Sun
12. When the Earth goes in between the Moon and the Sun casting its shadow onto the Moon
13. When a Meteoroid enters an atmosphere and starts breaking down due to friction with the atmosphere
15. Particle that orbits the sun and is smaller than a planet
21. When the Earth is not tilted towards or away from the Sun, comes after summer