Wednesday, December 3, 2008

Hertzsprung-Russell Diagram




1. On an H-R Diagram, what is the main sequence?
Is a star that falls into the main sequence category on the H-R diagram.



2.What percentage of stars are main sequence stars?
The percentage of the stars is ninety percent.


3. Yes the Sun is a main sequence star.

4. What will happen to the Sun next? When will this happen? The sun will become a Red Giant

5. Include a picture of an H-R Diagram. Explain it.
It is a diagram showing the brightness and the temperatures of stars.




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