Across
- 4. A gravitational dense region of space-time where nothing can escape, not even light
- 5. The tightly-packed collapsed core of a larger star
- 7. A cool, small star on the main sequence
Down
- 1. A star plotted in the left-to-right band across the HR diagram
- 2. A large, hot star off the main sequence
- 3. A stellar core remnant of a low to medium mass star
- 6. An older star with a cooler outer layer