The Solar System

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Across
  1. 5. The collection of planets and their moons in orbit around a sun, together with smaller bodies such as asteroids, meteoroids, and comets.
  2. 7. The center of the Solar system
  3. 8. How many planet are there
  4. 10. The planet where life exist
Down
  1. 1. A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
  2. 2. The force that attracts a body toward the center of the earth, or toward any other physical body having mass.
  3. 3. The transportation to space
  4. 4. A person who travels to space
  5. 6. The planet of rings
  6. 9. The closest planet to earth