solar system

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Across
  1. 5. a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
  2. 6. a large spacecraft in orbit around Earth.
  3. 9. are frozen leftovers from the formation of the solar system composed of dust, rock, and ices.
  4. 11. An artificial satellite is an object that people have made and launched into orbit using rockets.
  5. 13. the movement of an object in a circular movement
  6. 14. the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets.
Down
  1. 1. an optical instrument designed to make distant objects appear nearer,
  2. 2. the action of rotating around
  3. 3. A natural satellite is any celestial body in space that orbits around a larger body.
  4. 4. an elongated rocket-propelled missile or spacecraft
  5. 7. a small rock body orbiting the sun
  6. 8. A meteoroid is a small rocky or metallic body in outer space.
  7. 10. a rocket-launched able to land like an aircraft, used to make repeated journeys between the earth and earth orbit.
  8. 12. an unmanned exploratory spacecraft made to transmit information about its environment