Across
- 2. why do planets orbit the sun?
- 4. what is the 6th planet with over 60 moons?
- 7. egg shaped galaxy?
- 10. what planet, if bigger, could be a star?
- 12. what does the acronym, My Very Educated Mother Just Served Us Nine Pizzas, stand for?
- 13. what is the average distance from earth to the sun?
- 14. dwarf what type of star is the sun?
- 15. which planet is a dwarf planet?
- 16. what is the closest planet to the sun?
- 18. what type of galaxy is the milky way?
- 19. a process in which H particles collide and form He.
Down
- 1. what is the sun?
- 3. belt what is in between mars and jupiter?
- 5. what planet is the brightest?
- 6. what is the 7th planets "twin"?
- 8. which galaxy has no definite shape?
- 9. distance light travels in one year.
- 11. what planet do scientists know most about?
- 17. what is the closest "twin" planet to the sun?