Stars are blowing up in these systems, black holes are growing at their centers and emitting a tremendous amount of energy.

恒星在这些系统中爆炸，中心形成了黑洞，并释放出巨大的能量。

Using that information, Hailey believes that there must be 300 to 500 binary black hole systems.

利用这些信息，Hailey 认为必须有 300 到 500 个双星黑洞系统。

" Space, " 6 which we sometimes call outer space, refers to everything beyond our planet: the sun, the moon, other planets, other solar systems, black holes, stars; all of these are part of what we call space.

“空间” 6 我们有时称之为外太空，指的是我们星球以外的一切：太阳、月亮、其他行星、其他太阳系、黑洞、恒星;所有这些都是我们所说的空间的一部分。