The Sun will spend a total of approximately 10 1000000000 (number) years as a main sequence star.
For example, the Sun is a main sequence star.
It was the first long-period planet around a main sequence star to be discovered.
The secondary companion in this system may be a main sequence star with a stellar class of B2.
They were well away from the local sun, which was a small yellow-orange main sequence star.
The primary component is a white A-type main sequence star.
As a main sequence star, our sun's luminosity is rising by 1% every 110 million years.
The main sequence stars in our spiral have been changing.
It is a main sequence star with about 95% of the mass of the Sun.
The components are main sequence stars of similar size and appearance.