Cosmos A Space Time Odyssey Season 1 Episode 4 – A Sky Full of Ghosts at Couchtuner

Posted by CouchTuner.eu on March 31, 2014 – 2:16 am at Cosmos
Couchtuner Desc:

Neil deGrasse Tyson sets off on the Ship of the Imagination to explore how light, time and gravity alter our perception of the universe. Travel back in time to 1809, when astronomer William Herschel observes how light plays tricks with time and gravity. Later, Tyson embarks on an exhilarating journey to the event horizon of a black hole

Watch it here : Cosmos A Space Time Odyssey Season 1 Episode 4