master_jedi_dan
master_jedi_dan
The notebook of Clyde Tombaugh of the photographic plates he used to discover Pluto in 1930. On display in the Rotunda at Lowell Observatory. #lowellobservatory #flagstaff #arizona #astronomy #astrophotography #pluto #science #telescope #space #discovery
via Instagram ift.tt/2sbTdcd
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Uploaded on June 11, 2017
The notebook of Clyde Tombaugh of the photographic plates he used to discover Pluto in 1930. On display in the Rotunda at Lowell Observatory. #lowellobservatory #flagstaff #arizona #astronomy #astrophotography #pluto #science #telescope #space #discovery
via Instagram ift.tt/2sbTdcd
59
views
1
fave
1
comment
Uploaded on June 11, 2017