H-R Diagram =]

1. On an H-R Diagram, what is the main sequence? The average stars in the H-R Diagram.

2. What percentage of stars are main sequence stars? 90%

3. Is the Sun a main sequence star? yes

4. What will happen to the Sun next? When will this happen? Red Giant

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