Video Transcription
Then why does it allow us to measure the current time sequence?
Imagine you're looking at a galaxy that's located at the bottom of an executive well.
The stream at the bottom of the well will be slower than the well.
So, for example, an hour goes down the well, two hours will pass as a crépe-meur, it's gonna be risky on earth.
So if this galaxy were to put some light on,