web analytics
ice
  • Discovery of Pluto

    by astro.infographics http://ift.tt/1CqQht0  #Pluto, once believed to be the ninth planet, is discovered ...

    by astro.infographics http://ift.tt/1CqQht0  #Pluto, once believed to be the ninth planet, is discovered at the Lowell #Observatory in Flagstaff, Arizona, by astronomer Clyde W. Tombaugh. The existenc ...

    Read more