Metal-rich star formation - Physics Stack Exchange 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 pressure supports the star So if the metallicity is very high, the way I see it, fusion cannot occur due the low concentration of reactant
Mass formation of a neutron star Vs White dwarf I have been researching the different outcomes of a star's death I understand that the main factor is the star's mass at the end of its life, along with others such as its metallicity Well, the t
stellar evolution - Physics Stack Exchange A star produces energy through nuclear fusion with the 2H and 3H isotopes to create 4He for example I read that there is a mass loss of 0 018884 (in atomic mass units) Of course this mass loss is
Stellar Activity Cycle versus Metallicity - Physics Stack Exchange A metallicity increase for example, would imply a smaller radius for equal mass Wouldn't a Sun-like star of higher lower metallicity rotate faster slower, which would speed up slow down its activity cycle?
Evolution of red dwarf stars - Physics Stack Exchange At solar metallicity, only stars with masses below 0 35 are fully convective Stars with will have radiative cores on the main sequence There is a standard reference that deals with the low-mass end of this range - To summarise: Stars below don't ascend the giant branch Stars with begin the ascent of the giant branch but don;t get as far as being very red or giant Stars from become red
Stellar classifiaction and metals - Physics Stack Exchange The surface temperature of the star has no direct bearing on its metal content Most stars in the immediate vicinity of the Sun have a very similar metal content What you are talking about is how this metal content affects the observed spectrum of the star If the star's photosphere is very hot then the metals become ionised and you don't see the (for instance) absorption lines caused by