Although it becomes invisible past a certain point, an accretion disk, which is visible, develops as the matter swirls toward the black hole.
Although it becomes invisible past a certain point, an accretion disk, which is visible, develops as the matter swirls toward the black hole.
虽然它变成看不见的过去某点,一个增大圆盘,是可见的,当物质向黑洞成漩涡发展。