Solar system

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Across
  1. 1. the star at the center of the Solar System
  2. 2. is a dwarf planet in the Kuiper belt
  3. 4. large amounts of water can be found throughout the Solar System
  4. 6. often referred to as the “Red Planet”
  5. 7. the largest in the Solar System
  6. 10. is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process that is called outgassing
  7. 11. an astronomical object comprising a luminous spheroid of plasma held together by its gravity
  8. 12. As with gas giants, ice giants also lack a well defined "solid surface.
  9. 14. is a person trained, equipped, and deployed by a human spaceflight program to serve as a commander or crew member aboard a spacecraft.
Down
  1. 1. is an object that has been intentionally placed into orbit
  2. 3. As the brightest natural object in Earth's night sky after the Moon
  3. 5. It is a gas giant with an average radius of about nine and a half times that of Earth
  4. 8. the largest moon of Saturn
  5. 9. the the nearest planet to the Sun
  6. 12. farthest-known Solar planet from the Sun
  7. 13. is a minor planet of the inner Solar System