Finding Pluto: the hunt for Planet X

Kevin Orrman-Rossiter, Alice Gorman

Research output: Contribution to specialist publicationArticle

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Our solar system’s shadowy ninth (dwarf) planet was the subject of furious speculation and a frantic search for almost a century before it was finally discovered by Clyde Tombaugh in 1930. And remarkably, Pluto’s reality was deduced using a heady array of reasoning, observation and no small amount of imagination.
Original languageEnglish
Number of pages5
Specialist publicationThe Conversation
Publication statusPublished - 17 Jul 2015


  • Astronomy
  • Pluto
  • New Horizons
  • Planetary Exploration


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