megaparsecs

How Are Galaxies Moving Away Faster Than Light?

So, how can galaxies be traveling faster than the speed of light when nothing can travel faster than light? I’m…

6 years ago

How Fast is the Universe Expanding?

The Universe is expanding, but how quickly is it expanding? How far away is everything getting from everything else? And…

7 years ago

How Do We Measure Distance in the Universe?

This star is X light-years away, that galaxy is X million light-years away. That beginning the Universe is X billion…

7 years ago