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Season 2024 Episode
- Season 2020 How To Detect a Neutrino
- Season 2020 How To Capture Black Holes
- Season 2020 Solutions to the Three Body Problem
- Season 2020 Hacking the Nature of Reality
- Season 2020 Are there Infinite Versions of You?
- Season 2020 Are Axions Dark Matter?
- Season 2020 Does Consciousness Influence Quantum Mechanics?
- Season 2020 How Decoherence Splits The Quantum Multiverse
- Season 2020 Does Quantum Immortality Save Schrödinger's Cat?
- Season 2020 How Do Quantum States Manifest In The Classical World?
- Season 2020 How Black Holes Spin Space Time
- Season 2020 What’s On The Other Side Of A Black Hole?
- Season 2020 How We Know The Earth Is Ancient
- Season 2020 Was the Milky Way a Quasar?
- Season 2020 Will Wormholes Allow Fast Interstellar Travel?
- Season 2020 How We Know The Universe is Ancient
- Season 2020 How Luminiferous Aether Led to Relativity
- Season 2020 Mapping the Multiverse
- Season 2020 Does Gravity Require Extra Dimensions?
- Season 2020 Can Viruses Travel Between Planets?
- Season 2020 What Happens After the Universe Ends?
- Season 2020 Building Black Holes in a Lab
- Season 2020 Dissolving an Event Horizon
- Season 2020 Does Antimatter Explain Why There's Something Rather Than Nothing?
- Season 2020 The Boundary Between Black Holes & Neutron Stars
- Season 2020 How Stars Destroy Each Other
- Season 2020 Can Future Colliders Break the Standard Model?
- Season 2020 How Do We Know What Stars Are Made Of?
- Season 2020 The Truth About Beauty in Physics
- Season 2020 Could Life Evolve Inside Stars?
- Season 2020 Solving Quantum Cryptography
- Season 2020 Venus May Have Life!
- Season 2020 Do the Past and Future Exist?
- Season 2020 Is The Future Predetermined By Quantum Mechanics?
- Season 2020 How The Penrose Singularity Theorem Predicts The End of Space Time
- Season 2020 Electroweak Theory and the Origin of the Fundamental Forces
- Season 2020 Can Free Will be Saved in a Deterministic Universe?
- Season 2020 The Arrow of Time and How to Reverse It
- Season 2020 Why Do You Remember The Past But Not The Future?
- Season 2020 The Supernovas At The End of The Universe
- Season 2020 Navigating with Quantum Entanglement
PBS Space Time - Season 2020 Episode 13 How We Know The Earth Is Ancient
10.00 48 minutes In astronomy we talk about billions of years like it’s no big deal. But how can we be sure about timescales so far beyond the capacity for human intuition? Our discovery of what we now call deep time is very recent - as recent as our discovery of the true spatial vastness of our universe. And it came as scientists tried to measure the age of the Earth. What they found was as shocking and humbling as anything seen through the telescope.
