Supermassive black holes: most powerful objects in the universe | Martin Gaskell | TEDxMeritAcademy
19:46
Dark matter - what we're really made of | Michelle Thaller | TEDxBinghamtonUniversity
17:30
Why We are Alone in the Galaxy | Marc Defant | TEDxUSF
15:01
Have you ever imagined how interstellar travel could work? | Ryan Weed | TEDxDanubia
18:56
The Spacetime Symphony of Gravitational Waves | Kelly Holley-Bockelmann | TEDxNashville
18:00
"Spooky" physics | Leo Kouwenhoven | TEDxDelft
20:10
The Unusual Earth Orbit Circling Above Our Ancient Past | Roger G. Gilbertson | TEDxColoradoSprings
23:45
Fermi's Paradox and the Psychology of Galactic Empires | Matthew O´Dowd | TEDxTUWien
18:35