Across
- 2. Massive, gravitationally bound collections of millions or billions of stars
- 5. light can’t even escape it
- 7. how we get our WiFi
- 8. luminous balls of plasma
Down
- 1. Stars orbited by planets, moons, asteroids, and comets
- 3. people who go to space
- 4. things that are in space
- 6. a thing that couldn’t make the planet list
- 9. a thing to get you in to space