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PBS Space Time - S2019E09 - Is Dark Energy Getting Stronger?
 

PBS Space Time season 2019 episode 9

Is Dark Energy Getting Stronger?

 
The power of Dark Energy may be increasing as the universe ages. Subtle clues are emerging that the accepted model for the nature of dark energy and dark matter may not be all that. We saw the first such clue recently in our recent episode on the Crisis in Cosmology. Today we’re doing a Space Time Journal Club to reveal another clue. We’re looking at a new paper in Nature Astronomy, “Cosmological constraints from the Hubble diagram of quasars at high redshifts” by Risaliti and Lusso. It hints that the cosmological constant may not be so constant after all. In fact it may be increasing. If this is true, then our prediction for the future of our universe looks VERY different, and may involve the entire universe tearing itself to shreds at the subatomic level in the Big Rip.
 
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PBS Space Time / S2019E09 : Is Dark Energy Getting Stronger?
Season 2019, Episode 9 | Aired on March 20, 2019 | 15 min. | YouTube
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EPISODES
Season 2019
Season 2019
Season 2019
Season 2024
Season 2023
Season 2022
Season 2021
Season 2020
Season 2019
Season 2018
Season 2017
Season 2016
Season 2015
Specials
 
 
  • PBS Space Time - Episode 1 - Are Dark Matter And Dark Energy The Same?
    Episode 1
    Are Dark Matter And Dark Energy The Same?
  • PBS Space Time - Episode 2 - Our Antimatter, Mirrored, Time-Reversed Universe
    Episode 2
    Our Antimatter, Mirrored, Time-Reversed Universe
  • PBS Space Time - Episode 3 - The Crisis in Cosmology
    Episode 3
    The Crisis in Cosmology
  • PBS Space Time - Episode 4 - Perpetual Motion From Negative Mass?
    Episode 4
    Perpetual Motion From Negative Mass?
  • PBS Space Time - Episode 5 - Sound Waves from the Beginning of Time
    Episode 5
    Sound Waves from the Beginning of Time
  • PBS Space Time - Episode 6 - Secrets of the Cosmic Microwave Background
    Episode 6
    Secrets of the Cosmic Microwave Background
  • PBS Space Time - Episode 7 - The Impossibility of Perpetual Motion Machines
    Episode 7
    The Impossibility of Perpetual Motion Machines
  • PBS Space Time - Episode 8 - Will You Travel to Space?
    Episode 8
    Will You Travel to Space?
  • PBS Space Time - Episode 9 - Is Dark Energy Getting Stronger?
    Episode 9
    Is Dark Energy Getting Stronger?
  • PBS Space Time - Episode 10 - Could the Universe End by Tearing Apart Every Atom?
    Episode 10
    Could the Universe End by Tearing Apart Every Atom?
  • PBS Space Time - Episode 11 - The Edge of an Infinite Universe
    Episode 11
    The Edge of an Infinite Universe
  • PBS Space Time - Episode 12 - The Holographic Universe Explained
    Episode 12
    The Holographic Universe Explained
  • PBS Space Time - Episode 13 - No Dark Matter = Proof of Dark Matter?
    Episode 13
    No Dark Matter = Proof of Dark Matter?
  • PBS Space Time - Episode 14 - The Real Science of the EHT Black Hole
    Episode 14
    The Real Science of the EHT Black Hole
  • PBS Space Time - Episode 15 - Why Quantum Computing Requires Quantum Cryptography
    Episode 15
    Why Quantum Computing Requires Quantum Cryptography
  • PBS Space Time - Episode 16 - The Cosmic Dark Ages
    Episode 16
    The Cosmic Dark Ages
  • PBS Space Time - Episode 17 - The Alchemy of Neutron Star Collisions
    Episode 17
    The Alchemy of Neutron Star Collisions
  • PBS Space Time - Episode 18 - How Black Holes Kill Galaxies
    Episode 18
    How Black Holes Kill Galaxies
  • PBS Space Time - Episode 19 - The Quasar from The Beginning of Time - STELLAR
    Episode 19
    The Quasar from The Beginning of Time - STELLAR
  • PBS Space Time - Episode 20 - Thorium and the Future of Nuclear Energy
    Episode 20
    Thorium and the Future of Nuclear Energy
  • PBS Space Time - Episode 21 - The Quantum Internet
    Episode 21
    The Quantum Internet
  • PBS Space Time - Episode 22 - Did Time Start at the Big Bang?
    Episode 22
    Did Time Start at the Big Bang?
  • PBS Space Time - Episode 23 - Deciphering The Vast Scale of the Universe - STELLAR
    Episode 23
    Deciphering The Vast Scale of the Universe - STELLAR
  • PBS Space Time - Episode 24 - What Caused the Big Bang?
    Episode 24
    What Caused the Big Bang?
  • PBS Space Time - Episode 25 - Exploring a HUGE Radio Telescope in VR 180
    Episode 25
    Exploring a HUGE Radio Telescope in VR 180
  • PBS Space Time - Episode 26 - What Happened Before the Big Bang?
    Episode 26
    What Happened Before the Big Bang?
  • PBS Space Time - Episode 27 - How To Become an Astrophysicist + Challenge Question!
    Episode 27
    How To Become an Astrophysicist + Challenge Question!
  • PBS Space Time - Episode 28 - Is Earth's Magnetic Field Reversing?
    Episode 28
    Is Earth's Magnetic Field Reversing?
  • PBS Space Time - Episode 29 - Could We Terraform Mars?
    Episode 29
    Could We Terraform Mars?
  • PBS Space Time - Episode 30 - Is Pluto a Planet?
    Episode 30
    Is Pluto a Planet?
  • PBS Space Time - Episode 31 - How Many Universes Are There?
    Episode 31
    How Many Universes Are There?
  • PBS Space Time - Episode 32 - Black Hole Harmonics
    Episode 32
    Black Hole Harmonics
  • PBS Space Time - Episode 33 - Loop Quantum Gravity Explained
    Episode 33
    Loop Quantum Gravity Explained
  • PBS Space Time - Episode 34 - Is Time Travel Impossible?
    Episode 34
    Is Time Travel Impossible?
  • PBS Space Time - Episode 35 - Why We Might Be Alone in the Universe
    Episode 35
    Why We Might Be Alone in the Universe
  • PBS Space Time - Episode 36 - Does Life Need a Multiverse to Exist?
    Episode 36
    Does Life Need a Multiverse to Exist?
  • PBS Space Time - Episode 37 - Can You Observe a Typical Universe?
    Episode 37
    Can You Observe a Typical Universe?
  • PBS Space Time - Episode 38 - Is The Universe Finite?
    Episode 38
    Is The Universe Finite?
  • PBS Space Time - Episode 39 - The Doomsday Argument
    Episode 39
    The Doomsday Argument
  • PBS Space Time - Episode 40 - Do Black Holes Create New Universes?
    Episode 40
    Do Black Holes Create New Universes?
 
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