Across
- 4. what is the intrinsic brightness, independent of how bright it appears called
- 6. What is the color of a star that is colder
- 8. what is a graph of intrinsic brightness versus surface temerature of stars called
- 9. What cools for eons until it is too cold to emit light called
- 10. What is a cloud of of gas and dustn called
Down
- 1. What is the brightness as it appears to us
- 2. What is the color of a star that is twice as the other
- 3. What are groups of stars with names from antiquity called
- 5. What is a remnant of a supernova called
- 7. What is the final stage of more massive stars is collapse and then an explosion called