How Many Galaxies Are Moving Away From Us Faster Than Light?

Solution to the physics puzzle I posed in the last video. Check out the original video here https://youtu.be/cadNZJvfl7s

I asked you if you could work out what proportion of the galaxies in the visible universe are travelling away from us faster than the speed of light. Here is how I did the calculation and reached the 97% number.

-- Some Awesome People ---
And many thanks to my $10 supporters on Patreon, you are awesome!
Theodore Chu
Sebastian

Join the gang and help support me produce free and high quality science content:
https://www.patreon.com/domainofscience

#bigbang #space #physics

--- Posters ----
DFTBA Store: https://store.dftba.com/collections/domain-of-science
RedBubble Store: https://www.redbubble.com/people/DominicWalliman
Help me make amazing science videos on Patreon:
Patreon: https://www.patreon.com/domainofscience

I have also made posters available for educational use which you can find here: https://www.flickr.com/photos/95869671@N08/

--- My Science Books ----
I also write science books for kids! You can see them all here:
http://profastrocat.com

--- Follow me around the internet, wait that sounds weird ---
http://dominicwalliman.com
https://twitter.com/DominicWalliman
https://www.instagram.com/dominicwalliman