File:Planet formation.jpg

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摘要[編輯]

描述 In this artist's conception, a possible newfound planet spins through a clearing in a nearby star's dusty, planet-forming disc. This clearing was detected around the star CoKu Tau/4 by NASA's Spitzer Space Telescope. Astronomers believe that an orbiting massive body, like a planet, may have swept away the star's disc material, leaving a central hole.
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http://photojournal.jpl.nasa.gov/catalog/PIA05988

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NASA/JPL-Caltech

協議[編輯]

Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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  • 2007-06-05 19:46 WilyD 1600×1200×8 (111941 bytes)
  • 2007-06-05 04:18 1981willy 341×256×8 (10200 bytes)

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