Space Scientists

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Across
  1. 2. An object that orbits another object. A moon is actually a satellite. We also say satellite to refer to spacecraft people build that orbit Earth, other planets, moons, asteroids, or other objects out in space.
  2. 4. A collection of thousands to billions of stars held together by gravity.
  3. 5. A large body in outer space that circles around the sun or another star.
  4. 7. The star in the center of our solar system.
  5. 9. The circle around a planet or moon that is the same distance from its north pole and its south pole.
  6. 10. The curved path that a planet, satellite, or spacecraft moves as it circles around another object.
Down
  1. 1. The gases held by gravity around Earth and around other planets.
  2. 3. A large, bowl-shaped dent in the ground. They can be caused by an explosion or the impact of a meteorite.
  3. 6. A place in space where matter and light cannot escape if they fall in.
  4. 8. A cloud of dust or gas found between stars.