Six of 27 exoplanets sampled found to orbit in opposite direction of their host star (AFP)LONDON — A dominant theory about planets has been challenged by the discovery of nine worlds transiting distant stars, astronomers reported on Tuesday. The belief that planets always orbit their sun in the same direction, imitating the rotation of the star itself, has been turned upside down, they said. "This is a real bomb we are dropping into the field of exoplanets," said Geneva Observatory astronomer Amaury Triaud, referring to planets outside the Solar System. More>>
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