thesciencewhiz: First ever clear image of Pluto and Charon When New Horizons goes past Pluto in four days, it will be 50 years to the day that Mariner took it’s first pictures of Mercury.

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thesciencewhiz: First ever clear image of Pluto and Charon When New Horizons goes past Pluto in four days, it will be 50 years to the day that Mariner took it’s first pictures of Mercury.

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