Across
- 1. Planet closest in size to Earth
- 5. Closest planet to the sun
- 7. What happens when you go through a black hole
- 11. Planets that can support life
- 13. Country that sent the first man to space
- 15. President that initiated the space race
Down
- 2. When the moon is between the Earth and the Sun(phase)
- 3. Number of dwarf planets that have been discovered
- 4. Planet that is known for a large solar system
- 6. Distance between the Earth and the Sun
- 8. The mythology that gives many planets their names
- 9. Planet with two moons
- 10. Separates the inner and outer planets
- 12. Planet that can float on water
- 14. Highest mountain in the solar system