Episode 223: Pluto
In 1930, a young man from Kansas working in Flagstaff noted an object move 3.5 millimeters between two photographic plates. And our understanding of the Solar System has never been the same.
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In 1930, a young man from Kansas working in Flagstaff noted an object move 3.5 millimeters between two photographic plates. And our understanding of the Solar System has never been the same.