back to article Sedna shrinks after new measurement

Dwarf planet wannabe Sedna is considerably smaller than previously assumed, according to a new study of Trans-Neptunian Objects (TNOs). Once the most distant object observed in the solar system, Sedna was thought to have a diameter of around 1700km. But a new paper, dubbed "TNOs are Cool": A survey of the trans-Neptunian …

COMMENTS

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  1. Yag
    Unhappy

    Poor Kuiper belt's objects...

    They keep on being downgraded...

  2. Beachrider

    They're going after Neptune next...

    Perhaps lots of stuff is smaller than previously thought....

    1. Graham Dawson Silver badge
      Coat

      Re: They're going after Neptune next...

      But not Uranus?

  3. Mike Flugennock

    Water ice?

    So, it's shrinking because... the ice is melting? Nahh, hell, that doens't make sense. So, what, is New Horizons going to use it to make a really big-assed G&T?

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