What primarily determines the final fate of a massive star like UY Scuti?

Answer

The remaining core mass after supernova

The final stellar remnant, whether a neutron star or a black hole, is dictated by the mass remaining after the star sheds its outer layers and undergoes gravitational collapse.

What primarily determines the final fate of a massive star like UY Scuti?

#Videos

What If Earth Orbited UY Scuti? - YouTube

astronomystarstellar evolutionUY Scutisupergiant