ภาพ:Sedna Size Comparisons.jpg

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Sedna_Size_Comparisons.jpg (55KB, MIME type: image/jpeg)

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Description

The artist's rendition shows the newly discovered planet-like object, dubbed "Sedna," in relation to other bodies in the solar system, including Earth and its Moon; Pluto; and Quaoar, a planetoid beyond Pluto that was until now the largest known object beyond Pluto. The diameter of Sedna is slightly smaller than Pluto's but likely somewhat larger than Quaoar.

Source

http://photojournal.jpl.nasa.gov/catalog/PIA05567

Date

2004

Author

NASA/JPL-Caltech

Permission

Unless otherwise noted, images and video on JPL public web sites (public sites ending with a jpl.nasa.gov address) may be used for any purpose without prior permission [...] [1]


Public domain This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).

Warnings:

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  • Materials from the Hubble Space Telescope may be copyrighted if they do not explicitly come from the STScI. [2]
  • All materials created by the SOHO probe are copyrighted and require permission for commercial non-educational use. [3]
  • Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [4]

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