What factor is most important in determining a star's position on the main sequence and subsequent evolution?
A) temperature
B) pressure
C) mass
D) radius
E) color

Question

Quizplus · Accepted Answer

Mass is the most important factor in determining a star's position on the main sequence and subsequent evolution. This is because the mass of a star determines many of its properties, such as its temperature, luminosity, and size. Higher mass stars are hotter, more luminous, and larger than lower mass stars, and they also have shorter lifetimes and evolve more quickly. Therefore, the mass of a star is the most critical factor in determining its position on the main sequence and its subsequent evolutionary path.

What Factor Is Most Important in Determining a Star's Position