Across
- 5. The type of nuclear reaction that occurs in stars
- 6. The edge of a black hole is the ____ horizon.
- 7. The first stage of a star's life cycle.
- 10. A large collection of stars.
- 11. The element that fuels most stars.
- 12. ______ star: The leftover core of a red supergiant.
- 14. A large satellite of a star.
- 15. The nearest main sequence star
- 16. A space station is an ________ satellite.
Down
- 1. The force that pulls material together.
- 2. A _______ dwarf is the left over core of a red giant star.
- 3. Small rocky objects found in space.
- 4. The process that forms all elements heavier than iron.
- 8. An object orbiting another body.
- 9. The moon is a _______ satellite.
- 11. The element that is formed by fusion of hydrogen
- 13. A large mass of gas in space.