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One of the first exoplanets ever discovered could actually be made of…

Remember 55 Cancri e? Sure you do — and if you don't, you should. After all, it may be the first diamond planet ever discovered that orbits a Sun-like star. At least we think it is; if there's one thing 55 Cancri e is good at, it's fooling astronomers into thinking it's something that it's not. » 10/11/12 11:28am 10/11/12 11:28am