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Stories with subject: Planetary systems
  • Rosetta comet likely formed from 2 separate objects 
    Updated: Sep-28-15 9:56 am

    BERLIN - When the Rosetta space probe sent back its first close-up pictures of a comet last year, scientists got a bit of a surprise: Instead of the ball of rock and ice they had expected, the comet turned out to have two distinct lobes connected by a "neck."

  • Sun provides dramatic backlighting for latest Pluto pictures 
    Updated: Sep-17-15 2:23 pm

    CAPE CANAVERAL, Florida - The newest pictures of Pluto are so up-close and personal that the mission's top scientist says it "makes you feel you are there."