Space Explorers

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Across
  1. 3. An object launched into orbit around a celestial body
  2. 4. A celestial body orbiting a star in a solar system
  3. 5. A vehicle engineered to travel into space
  4. 7. A trained individual who journeys beyond Earth
  5. 9. The study of the universe beyond our planet
Down
  1. 1. A wandering ice body with a glowing tail
  2. 2. An instrument that brings distant stars into view
  3. 3. An astronaut’s venture outside a spacecraft
  4. 6. A massive collection of stars, gas and dust
  5. 8. The path a celestial body follows around another