An ancient, cataclysmic splat may have created Pluto s heart ktvz.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ktvz.com Daily Mail and Mail on Sunday newspapers.
Phobos, Mars' innermost moon with a 22-km diameter, is a cool body. Phobos has parallel linear features on its surface, unlike Deimos. These lines are a