Hope for Pluto—Should We Re-Redefine Planets?
Published March 8, 2017
|
33 min
    Download
    Add to queue
    Copy URL
    Show notes
    Planetary geologist Kirby Runyon is lead author of an abstract that proposes a new, geophysical definition of what a planet is.

    Learn more about your ad choices. Visit megaphone.fm/adchoices
      15
      15
        0:00:00 / 0:00:00