Across
- 3. the name of the galaxy that includes our solar system
- 5. the closest star to earth, the source of all heat and light in our solar system
- 6. small, rocky bodies that travel around the sun
- 8. the number of kilograms a spacesuit weighs
- 9. the largest planet in our solar system
Down
- 1. the leader of a space mission
- 2. the 6th planet from the sun, known for its many rings
- 4. a person who flies the rocket
- 6. a person who's trained to travel into outer space.
- 7. the planet with air, water, and human life