• Question: What is smallest planet in the universe?

    Asked by jcorrigan856 to Emma, Jimmy, Janet, Niall on 20 Mar 2013.
    • Photo: Niall Crawford

      Niall Crawford answered on 20 Mar 2013:

      Kepler-37b seems to be the smallest planet found so far, being about the size of our moon.

    • Photo: James Holloway

      James Holloway answered on 20 Mar 2013:

      Pluto used to be the smallest planet known, but then we took its title as a planet away and now call it a dwarf planet.

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