The Dark Energy Mystery
In 1998, two teams of scientists measured the universe's rate of expansion, expecting to find it slowing down on route to a collapse. But instead, they found the opposite- the universe's expansion appears to be accelerating, having expanded more in the latter half of its life. In attempting to explain this mysterious behaviour, they revived one Einstein's long-since-forgotten ideas.
Thank you to SpaceWave - Cosmic Relaxation for yet another amazing soundtrack! If you liked this video's music, check it out below:
Dark Energy Soundtrack:
https://www.youtube.com/channel/UCj3460Ylt4JEcEiW6PxCH9Q
SpaceWave's Channel: https://youtu.be/XntDsSR38qU
CHAPTERS:
(00:00) Introduction
(02:27) Accelerating Expansion
(05:09) Einstein's Greatest Blunder
(08:26) How Space Expands
(12:11) Redshift & Standard Candles
(17:03) Type 1a Supernova Searching
(19:25) Λ-CDM
(22:08) Baryonic Acoustic Oscillations
(26:27) Future Missions to Study Dark Energy
(28:46) Vacuum Fluctuations
(32:29) Quintessence
(34:43) Phantom Energy
(37:17) The Big Rip
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