Season
Season 2025 Episode
- Season 2019 Are Dark Matter And Dark Energy The Same?
- Season 2019 Our Antimatter, Mirrored, Time-Reversed Universe
- Season 2019 The Crisis in Cosmology
- Season 2019 Perpetual Motion From Negative Mass?
- Season 2019 Sound Waves from the Beginning of Time
- Season 2019 Secrets of the Cosmic Microwave Background
- Season 2019 The Impossibility of Perpetual Motion Machines
- Season 2019 Will You Travel to Space?
- Season 2019 Is Dark Energy Getting Stronger?
- Season 2019 Could the Universe End by Tearing Apart Every Atom?
- Season 2019 The Edge of an Infinite Universe
- Season 2019 The Holographic Universe Explained
- Season 2019 No Dark Matter = Proof of Dark Matter?
- Season 2019 The Real Science of the EHT Black Hole
- Season 2019 Why Quantum Computing Requires Quantum Cryptography
- Season 2019 The Cosmic Dark Ages
- Season 2019 The Alchemy of Neutron Star Collisions
- Season 2019 How Black Holes Kill Galaxies
- Season 2019 The Quasar from The Beginning of Time - STELLAR
- Season 2019 Thorium and the Future of Nuclear Energy
- Season 2019 The Quantum Internet
- Season 2019 Did Time Start at the Big Bang?
- Season 2019 Deciphering The Vast Scale of the Universe - STELLAR
- Season 2019 What Caused the Big Bang?
- Season 2019 Exploring Arecibo in VR 180
- Season 2019 What Happened Before the Big Bang?
- Season 2019 How To Become an Astrophysicist + Challenge Question!
- Season 2019 Is Earth's Magnetic Field Reversing?
- Season 2019 Could We Terraform Mars?
- Season 2019 Is Pluto a Planet?
- Season 2019 How Many Universes Are There?
- Season 2019 Black Hole Harmonics
- Season 2019 Loop Quantum Gravity Explained
- Season 2019 Is Time Travel Impossible?
- Season 2019 Why We Might Be Alone in the Universe
- Season 2019 Does Life Need a Multiverse to Exist?
- Season 2019 Can You Observe a Typical Universe?
- Season 2019 Is The Universe Finite?
- Season 2019 The Doomsday Argument
- Season 2019 Do Black Holes Create New Universes?
PBS Space Time - Season 2019 Episode 24 What Caused the Big Bang?
10.00 48 minutes Every astronomy textbook tells us that soon after the Big Bang, there was a period of exponentially accelerating expansion called cosmic inflation. In a tiny fraction of a second, inflationary expansion multiplied the size of the universe by a larger factor than in the following 13 and a half billion years of regular expansion. This story seems like a bit of a … stretch. Is there really any mechanism that could cause something like this to happen? What what we’re covering today – the real physics of cosmic inflation.
