Everyone knows that the universe is huge, but no one could have imagined how staggeringly immense the universe, or multiple universes, may actually be. It stops your breath.
video
Episode
Episode 02
Season 01
26:46
Watch
Look up at the night sky. Some of those twinkles are not stars but galaxies, each with tens or hundreds of billions of stars. Even dark parts of the sky, empty to our eyes,...
playlist
Topic Series
5 videos
38:33
They warp space and time, squeeze matter to a vanishing point, and trap light so that it cannot escape. How can black holes perform such stupendous tricks, and what can we...
Episode 09
Season 02
contributor
That the universe began seems astonishing. What brought it about? What forces were involved? How did the laws of nature generate the vast expanse of billions of galaxies of...
8 videos
1:24:25
Black holes are the most incredible form of mass-energy in the universe, where gravity is so strong that nothing, not even light, can escape its relentless drawing power....
34:19
Galaxies and clusters of galaxies, untold billions of them, adorn the cosmos. How did such large-scale structure of the universe come about? The universe started as a hot...
4 videos
24:05
Galaxies and clusters of galaxies, untold billions of them, adorn the cosmos. How did such large-scale structure of the universe come about?
Season 06
It’s among the oldest questions because we humans are rightly obsessed by ultimate origins. Cosmologists can now explain back to the first 10-36 second of our universe...
44:06
The very early universe likely underwent a period of enormous expansion called “inflation.” The theory stunned cosmology. Here’s the story of its discovery.
Episode 06
Season 09