Dwarf Planets and Exoplanets

12345678910111213141516171819
Across
  1. 1. A theoretical region of space where comets originate.
  2. 4. A spacecraft that explored Vesta and Ceres, two objects in the asteroid belt.
  3. 5. A dwarf planet located in the Kuiper Belt.
  4. 8. A planet that orbits a star outside of our solar system.
  5. 9. The system of planets, moons, and other objects that orbit around our sun.
  6. 11. An astronomer who discovered four of Jupiter's largest moons.
  7. 12. When one celestial body passes in front of another, such as a solar or lunar eclipse.
  8. 14. A spacecraft that flew by Pluto in 2015 and is now exploring the Kuiper Belt.
  9. 16. The largest planet in our solar system.
  10. 17. The rise and fall of ocean water levels caused by the gravitational pull of the Moon and Sun.
  11. 19. A method used to discover exoplanets by observing the star's light as a planet passes in front of it.
Down
  1. 2. A type of small, cool star that is the most common type in the galaxy.
  2. 3. A region of icy objects beyond Neptune's orbit.
  3. 6. A telescope launched in 2009 that discovered thousands of exoplanets.
  4. 7. A region between Mars and Jupiter where most asteroids in our solar system are found.
  5. 10. The outermost layer of Earth's atmosphere, where the atmosphere gradually merges with outer space.
  6. 13. The largest object in the asteroid belt and a dwarf planet.
  7. 15. A telescope that has been used to study exoplanets and other objects in space.
  8. 18. A dwarf planet that is slightly larger than Pluto and located in the Kuiper Belt.