Laura Mersini-Houghton - What Do Black Holes and Dark Matter Reveal?

Visit the 'dark side' of the universe. Black holes cannot be seen because gravity is so strong that not even light can escape. Dark matter cannot be seen because its particles hardly interact with ordinary matter. What is the meaning of the dark side? Donate to Closer To Truth and help us keep our content free and without paywalls: https://shorturl.at/OnyRq Click here to watch more interviews on black holes and dark matter: http://bit.ly/2pnWB1r Click here to watch more interviews with Laura Mersini-Houghton: http://bit.ly/2FW1vcx Click here to buy episodes or complete seasons of Closer To Truth: http://bit.ly/1LUPlQS For all of our video interviews please visit us at: www.closertotruth.com