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Difino
| • | This is a list of the most massive stars. The list is ordered by solar mass.Stellar mass is the most important attribute of a star. It determines a starࢀ&#-2509; luminosity, its physical size, and its ultimate fate.Astronomers have long theorized that as protostars grew to 120 Solar masses, stars exceeding this mass limit would challenge the theories of stellar evolution.Studying the densest known cluster of stars in our galaxy, the Arches cluster, astronomers have currently determined that stars are not created any larger than about 150 times the mass of our Sun, or 150 solar masses.A more massive star could not hold itself together, with a resultant outflow of stellar material and mass loss.The outward pressure of a starࢀ&#-2509; energy from its central nuclear processes exceeds its inward gravitational pull. This is called the Eddington limit.
Source: [wikipedia: list of heaviest stars]
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