3 Hours of Mind-Bending Space Paradoxes to Fall Asleep to

3:17:49
3+ Hours Of Facts About Our Galaxy To Fall Asleep To

1:24:56
Physics Gets Weird at the End of the Universe

3:02:53
3 Hours Of Jaw-Dropping Space Facts To Fall Asleep To: Universal Physics

56:48
Where Is Everything In The Universe Going?

1:43:06
The Science of Interstellar with Science Advisor, Kip Thorne

1:24:08
Quantum Immortality - The Wildest Theory in Physics

3:46:48
4 Hours Of Space Facts About Our Solar System To Fall Asleep To

3:46:29