What is Dark Flow ?

Years ago scientists discovered an anomaly in the motion of galaxy clusters in the expansion of the universe but couldn’t put their finger on what it was so they dubbed it dark flow ( The Great Attractor is another term used as well), so in this video we take a look at what dark flow is and try to determine what causes it.

“do you know da wae of the galaxy paths ?” -Ugandan Knuckles

Sources :
https://www.space.com/5878-mysterious-dark-flow-discovered-space.html
https://www.nasa.gov/centers/goddard/news/releases/2010/10-023.html
https://news.nationalgeographic.com/news/2012/01/120120-dark-flow-universe-multiverse-supernovas-space-science/