This scientific rule is called "Hubble's Law."

这项科学法则被称为哈勃定律。

The results of these investigations is now known as Hubble's Law.

这些调查的结果是，现在被称为哈勃定律。

Notice that, according to Hubble's law, the universe does not expand at a single speed .

请注意，根据哈伯定律，宇宙并不是以单一的速度膨胀。

This became known as Hubble's law, and would help establish that the known universe is expanding.

这个就是哈勃定律，并帮助建立，已知的宇宙正在膨胀。