Meet the planetary couple whose unusually close orbit may be provoking the most bizarre conditions… From the depths of black holes to mysterious alien worlds, journey into the darkest corners of the #Universe like never before. Discover more ? https://www.bbcearth.com/shows/the-universe. Subscribe: http://bit.ly/BBCEarthSub Watch more: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet http://bit.ly/BluePlanetPlaylist Planet Earth II http://bit.ly/PlanetEarthIIPlaylist Planet…