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Did Time Start at the Big Bang?

Season 5 Episode 27 | 12m 30s

A hundred years ago we discovered the beginning of the universe. Observations of the retreating galaxies by Edwin Hubble and Vesto Slipher, combined with Einstein’s then-brand-new general theory of relativity, revealed that our universe is expanding.

Aired: 07/17/19
The universe should've collapsed after the Big Bang, but a light Higgs boson let us exist.
Maybe dark energy doesn't exist?
Dark matter has eluded us for many decades but we may be able to discover more now.
What do you get if you combine something that’s infinitely massive and negative infinitely massive?
What does an electron really look like?
Is there a limit to how much energy you can cram into, or pull out of one patch of space?
I’d like to invite you to an even higher level of nerdom!
Gravitational tsunamis exist and we’re on the verge of being able to detect them.
Will we ever become a Kardeshev Type-1 civilization and how can we get there?
New data is telling us that Neutron stars may make one of the most popular dark matter candidates.