Monday, 17 February 2014

Astronomy Scrapbook Tuesday 18th February 2014

On This Day
February 18th 1930 Discovery of Pluto



On February 18, 1930, after nearly a year of searching Clyde Tombaugh discovered a possible moving object on photographic plates taken on January 23 and January 29 of that year. After the observatory obtained further confirmatory photographs, news of the discovery was telegraphed to the Harvard College Observatory on March 13 1930

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