17:05

The Fastest Spinning Galaxy - "Minogue's Galaxy" | Space is Weird

18:14

Is dark matter made of black holes?

9:37

What Happens At The Edge Of The Universe? | Space Time | PBS Digital Studios

17:45

How big is the Universe? | *THE* Great Debate in Physics

16:45

Un número elevado a la potencia de una matriz - Numberphile

25:49

How do we know there's a black hole in every galaxy centre? | History of Supermassive Black Holes

29:50

All the evidence we have for dark matter | A century's worth of science history

20:30

The Evolution of the Modern Milky Way Galaxy