The Hubble tension problem is breaking cosmology.
If you love learning about science as much as I do, head to http://brilliant.org/astrum to start for free. You’ll also receive 20% off a premium annual subscription, giving you unlimited access to everything on Brilliant.

▀▀▀▀▀▀

Cosmology is in crisis. Scientists have argued for decades about how and why the universe is expanding. Now, after careful measurements using multiple methods, the main two don’t add up. What do we do when our measurements of the universe don’t match up with our models? Are all of our theories wrong?

▀▀▀▀▀▀

0:00 Cosmology Is in Crisis
1:09 Universe Expansion
6:28 The Hubble Constant
9:18 Early Universe
11:41 Dark Energy
13:29 The Values Don’t Add Up
17:37 Is the Universe Spinning?

▀▀▀▀▀▀

Credits:
Writer: Michelle Babcock
Video Editor: Suhith
Researcher: Shourya Shrivastava
Script Editor: Damaris McColgan
Thumbnail Designer: Peter Sheppard
Publishing Lead: Georgina Brenner
Production Manager: Raquel Taylor
Edit Producer: Poppy Pinnock
Head of Astrum: Jess Jordan
Creator of Astrum: Alex McColgan

With special thanks to:
NASA/ESO/ESA

Credit to : Astrum