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13/03/1855 American astronomer Percival Lowell is born

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A Century Later: Celebrating the Life of Percival Lowell, Part 1

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A Century Later: Celebrating the Life of Percival Lowell, Part 2

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Red Planet Mars (1952) and Percival Lowell

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Deadliest Space Weather: Canals on Mars

He started the search for the Planet X, today called Pluto. Percival Lowell also made many observations of the Mars surface. He described a system of non-existent water canals on it. He thought that the channels were built by a dying alien civilization in an effort to save itself. The existence of canal-like features was definitively disproved in the 1960s.
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