Across
- 1. a person who is trained to travel and work in space
- 4. a special feature
- 6. an object in space that produces its own heat and light energy
- 8. a group of stars that form a pattern or picture in one area of the sky
- 10. growing larger
- 11. the different shapes of the lit part of the moon
Down
- 2. a tool used to see objects that are far away
- 3. small rocky objects in space that revolve around the sun
- 5. scientists who study the stars, planets, and moons
- 7. information or facts collected by making observations
- 9. the imaginary line around the widest part of a planet
- 10. becoming smaller