Both mechanisms reduce an entire star to a shell of gaseous debris, and gravitational collapse events also leave behind a hyperdense neutron star or, in extreme cases, a black hole.

• 这两类机制都把整个恒星缩减成气壳状的碎片，而且重力塌缩事件会遗留下密度超高的中子星，在一些比较极端的状况下，甚至会留下黑洞。