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描述 NASA's Hubble Space Telescope took this images of the asteroid 1 Ceres. The bright spot that appears in the image is a mystery. It is brighter than its surroundings. Yet it is still very dark, reflecting only a small portion of the sunlight that shines on it.
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来源 http://hubblesite.org/newscenter/newsdesk/archive/releases/2005/27/text/ (Cropped from original image)
作者 NASA, ESA, J. Parker (Southwest Research Institute), P. Thomas (Cornell University), and L. McFadden (University of Maryland, College Park)
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Unless otherwise specifically stated, no claim to copyright is being asserted by STScI and it may be freely used as in the public domain in accordance with NASA's contract. [...] [1]


Public domain This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use.
The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org.
For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag.

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当前2015年11月13日 (五) 01:492015年11月13日 (五) 01:49版本的缩略图640 × 640(25 KB)DrbogdanCROP/ENLARGE - Cropped from Original 250x250/49.4KB to 168x168/4.13KB, then Enlarged to 640x640/25.1KB - via JASC Paint Shop Pro v6.02.
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