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Scientists Discover Ninth Planet Beyond Neptune at Lowell Observatory
James Stokley recounts Clyde Tombaugh at Flagstaff Arizona who, through nightly photographic surveys, identified a faint new world beyond Neptune. Astronomers anticipate further calculations will confirm its orbit, with potential discovery of tenth and eleventh planets and discussion of its size albedo and gravity compared to Earth.
MENTIONED IN THIS ARTICLE
Clyde
Tombaugh
Lowell Observatory
Flagstaff
Arizona
Mars
Jupiter
Neptune
Lowell
Earth
Solar System
Troy
Tance
Hronomer
Percival Lowell
ENE
Yerkes Observatory
Delta Geninorum
Anus
Uranus
Flagstaff Observatory
W. H. Pickering
Mandeville
Jamaica
Harvard University
Science Service
John Q. Stewart
Princeton University
Stewart
Professor Lowell
Mercury
Venus
Mara
Saturn
Smilar
William Herschel