Oct 25, 2020 · The main sequence evolution of a solitary star depends most of all on its initial mass. Other factors influencing its evolution are the initial metallicity, rotation and magnetism. …

The 4.5 billion year old Sun has a similar metallicity to stars that are being produced in the solar neighbourhood right now. Let's also put this into context. Even after about 12 billion years of …

Dec 20, 2013 · A star with a higher metallicity will have a larger interior opacity and a thicker convection zone for a given mass. The thickness of the convection zone is equally important in …

Mar 5, 2015 · At high enough metallicity, hydrogen atoms are separated mostly from each other by metal atoms, stopping fusion and causing collapse until fusion occurs OR degeneracy …

Aug 25, 2023 · How does metallicity affect stellar evolution? The main sequence evolution of a solitary star depends most of all on its initial mass. Other factors influencing its evolution are …

Dec 27, 2019 · While low mass stars (initial mass approximately $0.1 M_\odot$ to $0.8 M_\odot$) are quite numerous, their evolution seems to draw relatively little attention.

This matter returns to the nebula in which it was formed with a higher metallicity (more heavier elements). Note that the remnant of the star is either a neutron star or a black hole . The …

The metallicity (e.g. [Fe/H]) at which [$\alpha$/Fe] begins to drop is thus indicative of when in a galaxy's history Type Ia supernovae began contributing to chemical enrichment. Share Cite

Q&A for active researchers, academics and students of physics. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online …

Aug 29, 2013 · Currently, the International Astronomical Union considers an object with a mass above the limiting mass for thermonuclear fusion of deuterium (currently calculated to be 13 …