Earth-Like Planet

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Picture Information: Gliese 581d Orbit
(Compared to Earth's Solar System)
This is a free ware picture. Used with permission under conditions stated by the source.
Author: NASA (Public Domain)
Source: http://www.nasa.gov/topics/universe/features/Gliese_581_System.html

© Page Publisher: Duane R. Hurst
Email: duanerhurst@freeenglishsite.com