Labels:earth | fence | grass | optical telescope | paper | person | refinery | sky | tie OCR: Chrde Tombaugh Phato The stor of Pluto discovery begine with PercivslLowell He was the founder Lowell Observstor in Flagstaff Arizona Percival Lowell was obsessed with the notion of tran Neptunian planet which he belier coule detectes Tom the sffect woul on Neptune's orbit After the planet Neptune hac beer discoverec in 187 b examining irreguls the orbit of Urarwe Lowell founded ob servatory an funder three sepsrate searches for the mysterious Plonet For the third search D Vesto Clipherfth e obsertory director hireda youn man from Kereas On February 1929 Chyde Tomt augh becarm the only American ever discovera olanet Clyde discoverer Phuto
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