Space and Astronomy

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Across
  1. 2. - Artificial object placed in orbit around a planet or celestial body
  2. 5. - Relating to the Sun
  3. 8. - Group of stars forming a pattern in the sky
  4. 10. - Person who travels to and works in space
  5. 11. - Optical instrument for viewing distant objects in space
  6. 12. - Celestial object consisting of ice, dust, and gas
  7. 16. - Small rocky or metallic object that enters Earth's atmosphere
  8. 17. - Planet that orbits a star outside our solar system
  9. 18. - Branch of astronomy that deals with the physics of celestial objects
Down
  1. 1. - Region of space with extremely strong gravitational pull
  2. 3. - Rocky object that orbits the Sun, mostly found in the asteroid belt
  3. 4. - Vast system of stars, gas, and dust held together by gravity
  4. 6. - The Sun together with the planets and other celestial objects that orbit around it
  5. 7. - Relating to the universe as a whole
  6. 9. - Powerful explosion at the end of a star's life cycle
  7. 13. - Meteoroid that survives its passage through Earth's atmosphere and lands on the surface
  8. 14. - Natural satellite that orbits a planet
  9. 15. - Interstellar cloud of gas and dust
  10. 17. - Celestial event in which one object moves into the shadow of another
  11. 19. - Celestial body that orbits a star