Across
- 5. The luminosity of a star is a measure of its _________
- 6. Antares and Betelgeuse are what type of stars?
- 7. Every dot on the HR diagram represents a ____
Down
- 1. The Hertzsprung-Russell diagram has how many distinct regions?
- 2. Blue stars are hotter/cooler than red stars?
- 3. Which type of star is the final stage of evolution for low-mass stars?
- 4. A unit of temperature similar to degrees Celsius, used in almost all scientific calculations