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For a star like the Sun the main-sequence stage lasts about 10,000,000,000 years, whereas a star 10 times as massive will be 1,000 to 10,000 times as bright but will only last about 20,000,000 years.
star never leaves the main-sequence. ... star spends most of its life on the main-sequence before evolving into a red giant.
Not all of the stars fall into the main sequence. Other types include white dwarfs, long-period variables, and the supergiants.
If the initial distance estimate is confirmed, the newfound star will be the Sun's third-closest stellar neighbor, slightly farther than the Alpha Centauri system, actually a group of three stars a ...
After the collapsing phase to a main-sequence star, along the path on the H-R diagram, ... this is the beginning of the eventual death of the star's main-sequence life.
"This inclination yields a mass for companion d of m = 7.53 +- 0.70 Earth masses, making it by far the lowest mass companion yet found around a main sequence star other than our Sun."
This point is illustrated by the numerical estimates in Table 17.4 for luminosity per gram and duration on the main sequence, given that the Sun will be a main-sequence star for about 10 billion years. ...
A main sequence star has three times the mass of the Sun, and 120 times its luminosity. Compared to the Sun's life span of 10 billion years, the life span of this star...
A main sequence star has three times the mass of the Sun, and 120 times its luminosity. Compared to the Sun's life span of 10 billion years, the life span of this star...
True or false: The Sun is a main sequence star.
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