planetaryscience

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  • REUTERS/NASA/JHUAPL/SwRI/Handout

    Researchers offer new evidence of a liquid ocean on Pluto

    by 
    Andrew Dalton
    Andrew Dalton
    11.18.2016

    Pluto may have lost its official planet status, but the frozen world at the edge of our solar system still deserves a closer look. That's the end goal of two new studies of Pluto published in the journal Nature this month, both of which focus on Sputnik Planitia -- a 1,000-kilometer long basin covered in frozen nitrogen. As Wired notes, both papers agree that Sputnik Planitia's mass is likely responsible for throwing Pluto off its axis and creating Charon's tidal alignment, but they differ in their explanations of how a dent in the planet's surface could actually be so massive.

  • New lunar maps let you explore the moon from your couch

    by 
    Andrew Tarantola
    Andrew Tarantola
    10.26.2015

    The existing lunar maps used by the US Geological Survey are two years older than I am. But thanks to the tireless efforts of NASA's Lunar Reconnaissance Orbiter (LRO), Earthbound astronomers can get up close and personal with our planet's Gilligan like never before.