space

123456789101112131415
Across
  1. 2. icy body that releases gas and dust forming a glowing tail
  2. 5. curved path of an object around a star or planet
  3. 7. instrument used to observe distant objects in space
  4. 12. natural light display in the sky near polar regions
  5. 13. natural satellite that orbits a planet
  6. 14. a massive luminous sphere of plasma held together by gravity
  7. 15. giant cloud of gas and dust in space where stars form
Down
  1. 1. robotic vehicle designed to move across the surface of a planet
  2. 3. event where one celestial body blocks another from view
  3. 4. powerful explosion of a dying star
  4. 6. the universe regarded as a complex and orderly system
  5. 8. a celestial body that orbits a star and is not a star itself
  6. 9. the act of sending a spacecraft into space
  7. 10. force that attracts objects toward one another
  8. 11. vast system of stars, gas, and dust held together by gravity