Mysterious Mercury: the planet of extremes

Mercury has always been something of a puzzle for planetary scientists. Its close position to the Sun means it is very difficult to observe, but now a series of satellites are getting right up close to this fascinating planet. The European Space Agency's BepiColombo mission is among them, and it will offer an unprecedented level of information about the mysterious world of Mercury. euronews knowledge brings you a fresh mix of the world's most interesting know-hows, directly from space and sci-tech experts. Subscribe for your dose of space (Mondays) and sci-tech (Wednesdays): http://www.youtube.com/subscription_center?add_user=euronewsknowledge Made by euronews, the most watched news channel in Europe.