Twelve-year-old Clyde Tombaugh stepped up and took his first look through a telescope. Gazing at the moon, he was thrilled by the sight of its craters and valle
This series introduces young readers to biographies. Rather than focusing on the subject's entire life, these biographies focus on important episodes that show
In 1930 astronomer Clyde Tombaugh made the discovery of a lifetime: the planet Pluto. His work remains relevant today as astronomers continue their search for p
Pluto looms large in Flagstaff, where residents and businesses alike take pride in their community's most enduring claim to fame: Clyde Tombaugh's 1930 discover
A novel of ambition and obsession centered on the race to discover Pluto in 1930, pitting an untrained Kansas farm boy against the greatest minds of Harvard at