Physics Girl's video: The Sky in 350 Billion Years

How did Hubble discover the expansion of the universe? Thank you to BetterHelp for sponsoring today's video. Click here for 10% off your first month - https://betterhelp.com/physicsgirl Support Physics Girl videos → https://www.patreon.com/physicsgirl Creator/Host: Dianna Cowern Editor: Levi Butner Expanding Universe Animation: Keegan Larwin Special thank you to our X-Ray tier patrons: Carlos Patricio, David Cichowski, Eddie Sabbah, Fabrice Eap, Gil Chesterton, Isabel Herstek, Margaux Lopez, Matt Kaminski, Michael Schneider, Patrick Olson, Vikram Bhat, Vincent Argiro, wc993219 Music provided by APM https://www.apmmusic.com/ Stock footage provided by pixabay.com Stock footage provided by shutterstock.com If you liked this video check out these: A picture of the beginning of the universe → https://www.youtube.com/watch?v=rut6f... Why is the Universe Flat? ft. Prof Alan Guth → https://www.youtube.com/watch?v=MTUsO... http://physicsgirl.org/ Twitter/Insta/Facebook/TikTok: @thephysicsgirl Sources: https://history.aip.org/exhibits/cosmology/ideas/island.htm https://www.smithsonianmag.com/history/how-edwin-hubble-became-the-20th-centurys-greatest-astronomer-66148381/ https://books.google.com/books?id=vE91XkNA4i8C&pg=PA53&dq=edwin+hubble,+andromeda&hl=en&sa=X&ved=0ahUKEwic3PHV67LQAhUB1SYKHaE0AN4Q6AEIKDAC =onepage&q=edwin%20hubble%2C%20andromeda&f=false https://www.space.com/34708-henrietta-swan-leavitt-biography.html https://www.mtwilson.edu/building-the-100-inch-telescope/