This formation, called an accretion disk, may be very important in some stellar birth sequences.

这种构成物即所谓吸积盘，它在恒星诞生的某些阶段可能是非常重要的。

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Later simulations show that even a companion with an orbit as wide as Neptune's could scoop up an accretion disk.

后来的数值模拟结果显示出，即使伴星的轨道半径大如海王星的轨道，它仍可汲取物质而形成吸积盘。

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As matter goes in and gathers into what is called an accretion disk, it heats up and emits X-rays.

BBC: First glimpse of a black hole's spin