sydewalka daily digest - 2019/07/19 04:02:20

[sydewalka]

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@Dr. Kirby Runyon

When @NASANewHorizons flew past Pluto and Charon in 2015, we got our first look at the most common type of planet in the whole Solar System: dwarf planets in the Kuiper Belt. @JHUAPL @AlanStern

Abu 'Abdir-Rahman

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