In the MK classification, this group is represented by luminosity class V ["five"].
In the MK classification, this group is represented by luminosity class V ["five"]. The turnoff point, which can be used to date clusters, is where a star exits this region. It runs from upper-left to lower-right on the diagram where it appears, and white dwarfs appear below it. Larger stars spend less time here; the Sun is expected to remain in this region for a total of ten billion years, after which it will become a red giant. For 10 points, name this diagonal band on the H-R diagram where stars spend most of their lifetime.
In the MK classification, this group is represented by luminosity class V ["five"].
main sequence