#clydetombaugh

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#OnThisDay in 1930, Clyde Tombaugh discovered the ninth planet, Pluto, at Lowell Observatory. #lowel

#OnThisDay in 1930, Clyde Tombaugh discovered the ninth planet, Pluto, at Lowell Observatory. #lowellobservatory #lowell #observatory #FlagstaffAZ #flagstaff #arizona #marshill #clydetombaugh #pluto #science #space #astronomy #tbt #throwbackthursday


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#lowell #marshill #observatory #throwbackthursday #flagstaff #science #clydetombaugh #lowellobservatory #arizona #flagstaffaz #astronomy #onthisday 
Lowell Observatory@Lowell Observatory
Thu, 18 Feb 2016 11:03:46
Happy 110th birthday Clyde, we wouldn’t be the Home of Pluto without you. #lowellobservatory #

Happy 110th birthday Clyde, we wouldn’t be the Home of Pluto without you. #lowellobservatory #Lowell #observatory #flagstaffaz #flagstaff #arizona #marshill #clydetombaugh #pluto #science #space #astronomy #happybirthday


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#happybirthday #lowell #marshill #observatory #flagstaff #science #clydetombaugh #lowellobservatory #arizona #flagstaffaz #astronomy 
Lowell Observatory@Lowell Observatory
Thu, 04 Feb 2016 10:01:27
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