A YouTuber has prepared a refresher course for you to explain the universe. The amazingly short video comes with a quirky voiceover which will keep you entertained as the footage walks you through quarks and sub-atomic particles to galaxies and nebulae:
The video starts off with the Planck length, one of the smallest units of length and goes on to foray, however briefly, into the parallel universes.
The video ends on the high note of:
“Nothing means anything and we are all going to die.”