Across
- 3. AKA a "shooting star"
- 8. Closest planet to the Sun
- 9. The farthest man-made structure from Earth
- 12. The name of our galaxy
- 16. The colorful clashing of solar winds and Earth's magnetic field
- 17. A dwarf planet that is no longer considered a planet within our solar system
- 18. The Roman God of War and third planet from the Sun
- 19. The hottest planet in our solar system
- 20. A gas giant with the most amount of moons in our solar system
- 22. An event that occurs when Earth plows through a trail of debris left behind by a comet
- 25. An eclipse that happens at night
Down
- 1. Name of the robotic craft designed to "touch the sun" and fly through the corona of the sun
- 2. The mixture of gasses that surround Earth that protect us from space
- 4. The largest planet in our solar system and without any solid mass
- 5. The most abundant gas in our atmosphere
- 6. One of the most successful and revolutionary telescopes ever built
- 7. A region of space where gravity is so intense that nothing can escape its pull
- 10. A planet comprised mostly of ice
- 11. The most famous comet in history
- 13. This planet rotates sideways
- 14. The closest visitor to examine Neptune up-close
- 15. How many planets are in our solar system
- 21. The number of moons that orbit Mercury and Venus
- 23. Where we live
- 24. An Eclipse that happens during the daytime
- 25. The name of the first dog sent into space