Celestial Objects

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Across
  1. 2. a natural chunk of rock or dust existing outside Earth's atmosphere
  2. 6. remains of a meteoroid that strike the surface of a planet or moon
  3. 7. a celestial body that revolves around a planet
  4. 8. objects that are located in space
  5. 9. a large celestial body that revolves around a star in a solar system
  6. 10. The planets Jupiter, Saturn, Uranus, and Neptune, whose orbit lie beyond the asteroid belt
  7. 12. a natural or artificial body in orbit around a planet
  8. 14. on or of Earth
  9. 16. a group of interacting, interrelated, or interdependent elements forming a complex whole
  10. 17. large and small rocks or metallic masses orbiting the Sun
Down
  1. 1. the region between the inner and outer planets where most asteroids orbit the Sun
  2. 3. the force that causes objects with mass to attract one another
  3. 4. a small object that enters Earth's atmosphere from space and burns due to friction, emitting light
  4. 5. the rocky, terrestrial planets Mercury, Venus, Earth, and Mars, whose orbits are inside the asteroid belt
  5. 8. a celestial body of ice, dust, and rock with an elongate and elliptical orbit
  6. 11. a star and the group of planets and other celestial bodies that are held by its gravitation attraction and revolve around it
  7. 13. a curved path followed by a satellite as it revolves around an object
  8. 15. glowing, heated dust and vaporized gas that surrounds the icy comet nucleus as it travels near the Sun
  9. 18. a celestial body consisting of a mass of gas held together by its own gravity in which the energy is generated by nuclear reactions in its interior
  10. 19. the luminous star around which Earth and other planets revolve