It also explains why the universe is not precisely homogeneous: because random quantum fluctuations in the energy density were inflated up to the size of galaxy clusters and larger.

• 它也解释了为什麽宇宙的均匀性并非十全十美：能量密度的不规则量子起伏，因暴胀而延展至星系团的尺度，甚至更大。