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What If the Cosmological Constant Is Not Constant?

We know that the universe is getting bigger. And we know that the speed that the universe is getting bigger is also getting bigger. The standard assumption is that the acceleration rate is itself constant, which will result in ultimate heat death. But a recent survey of primordial sound waves frozen into the way galaxies are sprinkled through the universe reveals that this fate is now in question.
Season 10 Episode 23 Length 15:14 Premiere: 10/10/24

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Season 10 Episodes

How Astrophysics Can Literally Save the World
S10 E37 Length 17:23 Premiere Date 03/13/25

Your DNA's Codes Are (Probably) From Outer Space
S10 E36 Length 15:58 Premiere Date 03/06/25

Will The Big Bang Happen Again (and Again)?
S10 E35 Length 16:35 Premiere Date 02/20/25

The Final Barrier to (Nearly) Infinite Energy
S10 E34 Length 19:39 Premiere Date 02/13/25

The Crisis in Physics: Why the Higgs Boson Should Not Exist!
S10 E33 Length 16:36 Premiere Date 01/30/25

Does Timescapes Disprove Dark Energy?
S10 E32 Length 14:30 Premiere Date 01/23/25

How Many Black Holes Are In The Solar System?
S10 E31 Length 18:32 Premiere Date 01/16/25

Does Infinity - Infinity = an Electron
S10 E30 Length 15:35 Premiere Date 12/19/24

What Does An Electron Actually Look Like?
S10 E29 Length 13:39 Premiere Date 12/12/24

The NEW Ultimate Energy Limit of the Universe
S10 E28 Length 16:35 Premiere Date 12/05/24

Does the Planck Length Break E=MC^2?
S10 E27 Length 17:19 Premiere Date 11/21/24

Can the Universe Remember? Exploring Gravitational Memory
S10 E26 Length 11:43 Premiere Date 11/14/24

How Can Humanity Become a Kardashev Type 1 Civilization?
S10 E25 Length 18:40 Premiere Date 11/07/24

Do Neutron Stars Shine In Dark Matter?
S10 E24 Length 14:05 Premiere Date 10/17/24

What If the Cosmological Constant Is Not Constant?
S10 E23 Length 15:14 Premiere Date 10/10/24

What If The Universe Did Not Start With The Big Bang?
S10 E22 Length 16:08 Premiere Date 09/26/24

The New Physics of Black Hole Star Capture | Extreme Tidal Disruption Events
S10 E21 Length 17:44 Premiere Date 09/19/24

Can We Test Quantum Gravity?
S10 E20 Length 16:51 Premiere Date 09/12/24

Is Gravity RANDOM Not Quantum?
S10 E19 Length 19:25 Premiere Date 08/22/24

Can We Create New Elements Beyond the Periodic Table
S10 E18 Length 17:02 Premiere Date 08/15/24

Do Black Holes Have to Be Black?
S10 E17 Length 15:32 Premiere Date 08/01/24

Was Penrose Right? New Evidence For Quantum Effects In The Brain
S10 E16 Length 18:26 Premiere Date 07/29/24

How To Detect Faster Than Light Travel
S10 E15 Length 16:28 Premiere Date 07/18/24

Can a Particle Be Neither Matter Nor Force?
S10 E14 Length 20:07 Premiere Date 06/27/24

Will The Sun’s Magnetic Field Flip This Year?
S10 E13 Length 16:11 Premiere Date 06/20/24

Is It Impossible To Cross The Event Horizon? | Black Hole Firewall Paradox
S10 E12 Length 17:25 Premiere Date 06/13/24

What’s The Universe’s Strongest Particle Accelerator?
S10 E11 Length 12:51 Premiere Date 05/30/24

Can Black Holes Unify General Relativity & Quantum Mechanics?
S10 E10 Length 13:28 Premiere Date 05/23/24

Interstellar Expansion WITHOUT Faster Than Light Travel
S10 E9 Length 20:15 Premiere Date 05/16/24

What Happens If You Jump Into A Black Hole?
S10 E8 Length 16:19 Premiere Date 05/01/24

Why Is The World Rushing Back To The Moon?
S10 E7 Length 15:36 Premiere Date 04/18/24

How Eclipses Revealed Our Solar System
S10 E6 Length 15:07 Premiere Date 04/06/24

What If Gravity is Not A Fundamental Force?
S10 E5 Length 15:02 Premiere Date 03/28/24

Does Space Emerge From A Holographic Boundary?
S10 E4 Length 14:28 Premiere Date 03/21/24

Dark Forest: Should We Not Contact Aliens?
S10 E3 Length 14:12 Premiere Date 03/14/24

What Happens If We Nuke Space?
S10 E2 Length 15:13 Premiere Date 02/29/24

What if Singularities DO NOT Exist?
S10 E1 Length 14:44 Premiere Date 02/22/24

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