space

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Across
  1. 4. - the collection of planets and other objects that orbit around the sun
  2. 6. - the path that a spacecraft follows around a planet or moon
  3. 7. - a term used to describe anything outside of Earth, including life forms or phenomena
  4. 8. - a person who travels to space
  5. 9. - the force that pulls objects towards each other, which is especially important in space travel
Down
  1. 1. - a specific task or objective that a spacecraft or astronaut is sent to accomplish
  2. 2. - devices used to observe and study distant objects in space
  3. 3. - a term used to describe anything that occurs or exists between stars, which is often the subject of science fiction stories and films.
  4. 5. - a vehicle designed to travel in space, which can include satellites, shuttles, and probes