WSJ Live

Astronomers Find Lonely Planet Without a Star

  • Aired: 10/10/2013
    • Length: 01:08
    • Plays: ???
Synopsis >

An international team of astronomers says it has discovered a strange planet outside the solar system, dubbed PSO J318.5-22, that's not orbiting around stars. WSJ's Monika Vosough reports. (Photo: MPIA/V. Ch. Quetz)

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