Apparently the smallest a neutron star could theoretically be is 0.1 - 0.2 Solar masses. [0]
And then 1.4 Solar masses is the upper limit. [1]
[0] https://physics.stackexchange.com/a/143174/43351 [1] https://en.wikipedia.org/wiki/Chandrasekhar_limit
And then 1.4 Solar masses is the upper limit. [1]
[0] https://physics.stackexchange.com/a/143174/43351 [1] https://en.wikipedia.org/wiki/Chandrasekhar_limit
[0] https://en.wikipedia.org/wiki/Tolman%E2%80%93Oppenheimer%E2%...
I was thinking of neutron stars all along - which, correct me if I’m wrong, look like they have similar density to an atomic nucleus and for which the upper limit is apparently 3 Sols. [0]
[0] https://en.m.wikipedia.org/wiki/Neutron_star#:~:text=Neutron....