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发帖数: 298 | 1 At 24 and with no formal education in astronomy, Clyde William Tombaugh set
out to find "Planet X."
by S. Alan Stern
The faint, starry image jumped a little — very little, in fact. But the
heart of young Clyde Tombaugh, who saw the telltale twitch late one Tuesday
afternoon in February 1930, jumped a good bit more. Lowell Observatory, in
Flagstaff, Arizona, had hired Tombaugh just one year earlier.
The oldest of Muron and Adella Tombaugh’s six children, Clyde Tombaugh was
born in Streator, Illin |
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