solar system vocabulary

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Across
  1. 2. A curved path followed by a satellite as it revolves around an object
  2. 5. the attraction between two objects due to the invisible force of gravity; the gravitational pull from the Moon is primarily responsible for the tides that form on Earth
  3. 8. A star and the group of planets and other celestial bodies that are held by its gravitational attraction and revolve around it
Down
  1. 1. The force that causes objects with mass to attract one another
  2. 3. The luminous star around which Earth and other planets revolve; composed mainly of hydrogen and helium
  3. 4. a large celestial body that revolves around a star in a solar system
  4. 6. Large and small rocks or metallic masses orbiting the Sun; made up of materials similar to those that formed the planets
  5. 7. A celestial body that revolves around a planet