Science Astronomers Search For Giant Planet On Outer Edges Of Solar System 11:12am September 26, 2017 by Joe Palca Space Science Share URL copied to clipboard! An artist's depiction of Planet Nine. The object is thought to be gaseous, similar to Uranus and Neptune. Hypothetical lightning lights up the night side. Caltech/R. Hurt (IPAC) Play Pause There was an error loading the media player. Copyright 2017 NPR. To see more, visit http://www.npr.org/. 300x250 Ad More All Things Considered Religion How the world is reacting to Pope Francis' death by Jane Arraf Environment A push for more coal has some in West Virginia worried about electricity prices 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate
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