Milky Way

123456789101112131415
Across
  1. 4. the largest planet in the solar system
  2. 7. the planet known as the "Red Planet"
  3. 8. the group of planets that includes Mercury, Venus, Earth, and Mars
  4. 9. the group of planets that includes Jupiter, Saturn, Uranus, and Neptune
  5. 11. the star at the center of our solar system
  6. 13. a celestial object with such strong gravity that nothing, not even light, can escape it
  7. 14. the planetary system that includes the Sun and everything bound to it by gravity
  8. 15. the closest planet to the Sun
Down
  1. 1. a neighboring galaxy to the Milky Way
  2. 2. the fundamental force that keeps planets in orbit around the Sun
  3. 3. a natural satellite that orbits a planet
  4. 5. the planet known for its rings and extreme winds
  5. 6. a dwarf planet that was once considered the ninth planet of the solar system
  6. 10. a tool used by scientists to explore space without humans onboard
  7. 12. the collection of stars, dust, and gas, including the Milky Way