The kinetic energy falling onto the compactstar simply heats the surface and is re-radiated as black-body radiation.
落到致密星上的动能只是简单地加热了星的表面,并以黑体辅射的形式再发射出去。
2
It is an explosion of an old compactstar that is as heavy as the Sun but as small as the Earth. A single such supernova can emit as much light as a whole galaxy.