SCIENCE 1930: New Planet: Percival? Cronos?

Percival? Cronos?

The inhabitants of Earth learned last week that there is another planet, besides the eight they knew about, revolving around the Sun as the earth does. A few of Earth's inhabitants had known the news for some time. The late Percival Lowell (1855-1916), rich traveler turned astronomer, elder brother of President Abbott Lawrence Lowell of Harvard University and of the late poetess Amy Lowell (1874-1925), in 1915 had predicted the existence of another member of the Planet System on its outer fringe.

For many years the astronomers at the Lowell Observatory, which...

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