It's hard to imagine everything in the whole cosmos — every star, nebula, galaxy; every atom, electron, and proton — all squeezed together into one infinitely dense blob.

很难想象整个宇宙中的一切——每一颗恒星、每一个星云、每一个星系；每个原子、电子和质子——全都挤在一起，变成一个密度无限大的团。