Space

123456789
Across
  1. 1. Small rocky body orbiting the sun
  2. 4. Interstellar cloud of dust, hydrogen, helium, and other gases
  3. 5. Celestial object with a bright tail
  4. 6. System of stars, dust, and gas held together by gravity
  5. 8. Object placed into orbit around a planet or moon
  6. 9. Person trained to travel in space
Down
  1. 2. Vehicle designed for travel or operation in outer space
  2. 3. Optical instrument used to observe distant objects
  3. 7. Large celestial body that orbits a star
  4. 8. Luminous celestial body consisting of hot gases