Across
- 2. : the study of stars and planets.
- 5. : the name of our galaxy.
- 7. : a group of stars that make a picture in the sky.
- 8. : the only planet in our solar system that sustains life.
Down
- 1. : the title of this magazine.
- 3. : "natural satellites" that can orbit planets.
- 4. : an instrument used to see far away.
- 6. : a force that not even light can escape from.