Fastest animals Fastest animals This is a list of the fastest animals in the world, grouped by types of animal. The fastest land animal is the cheetah, which has a recorded speed of . The peregrine falcon is the fastest bird and the fastest member of the animal kingdom with a diving speed of . The fastest animal in the sea is the black marlin, which has a recorded speed of . While comparing between various classes of animals, a different unit is used, body length per second for organisms. The fastest organism on earth, relative to body length, is the South
The Impossible Planet Geographic Daily News" article, the author mentioned this episode while discussing planets that surround black holes. The Impossible Planet "The Impossible Planet" is the eighth episode of the second series of the British science fiction television series "Doctor Who", which was first broadcast on BBC One on 3 June 2006. It is the first part of a two-part story. The second part, "The Satan Pit", was broadcast on 10 June. The episode is set on Krop Tor, a planet orbiting a black hole. In the episode, a human expedition group drilling on the planet is terrorised by a creature calling