eric gisse wrote:
Yousuf Khan wrote:

Sometimes you gotta just laugh at science journalists. This genius is
claiming that Cassiopeia A's supernova remnant is a neutron star of 20
Solar masses! You gotta wonder how it's able prevent itself from
collapsing into a black hole without nuclear fusion?

It is horse****, that's why. There is no possible way it is 20 solar masses.


I think he just got confused with the mass of the progenitor star.

Yousuf Khan