| 1. | As the cluster ages, the turn-off moves progressively down the main sequence.
|
| 2. | It is classified as B7 main sequence star with a mass of.
|
| 3. | They then move across from the main sequence into the giant branch.
|
| 4. | This is an F-type main sequence star with a stellar classification of.
|
| 5. | O-type stars represent the highest masses of stars on the main sequence.
|
| 6. | Both components of the binary star are a white main sequence dwarfs.
|
| 7. | The less massive member is an O8 main sequence star of approximately.
|
| 8. | Stars less than about have not yet reached the main sequence.
|
| 9. | When red dwarf leave its main sequence will it become a red giant?
|
| 10. | The more massive member of the pair is an O3.5 main sequence star.
|