If dark matter is 'invisible,' how do we know it exists? : v

Dark matter doesn't interact with light and can't be seen through telescopes. So how do we know dark matter exists, and how can we map it?

Related Keywords

Toronto , Ontario , Canada , Fritz Zwicky , Albert Einstein , Grasse Tyson , Vera Rubin , John Wheeler , American Museum Of Natural History , Swinburne Centre For Astrophysics , European Organization For Nuclear Research , Swinburne University , European Space Agency , Carnegie Institution , University Of Toronto , Stanford University , Dunlap Institute For Astronomy Astrophysics , California Institute Of Technology , Us Department Of Energy , Atacama Cosmology Telescope , Nuclear Research , California Institute , Mount Wilson Observatory , Coma Cluster , Natural History , Dunlap Institute , Big Bang , European Space , Testing Einstein , Retrieved April ,