Across
- 2. Which element are stars burning while they are on the Main Sequence of the HR diagram?
- 3. In which part of the Main sequence is our Sun located?
- 5. Which stars have the longer lifetimes on the main sequence?
- 6. Which are the 7 spectral classes used to classify stars?
- 8. If we plot an old stellar cluster on an HR diagram, its Main Sequence will be very ____.
- 9. what kind of star will the Sun become at the end of its life?
- 10. When all the Hydrogen in a stellar core has been consumed, the core is made of ____ ?
- 11. What does the color of a star tell us about the star?
Down
- 1. On an HR diagram, where do we find white dwarfs?
- 4. Which pushes against gravity and keeps a star stable?
- 7. In which type of clouds are stars born?
- 8. If the star Alpha Centauri were moved to a distance 10 times farther from Earth than it is now, its parallax angle would get ____.
- 11. Where are the most luminous stars located on the Main sequence?