File:Sagan planetary orbits2.jpg

Source
http://lasendadeluz.blogspot.com/2005_04_01_lasendadeluz_archive.html

Rationale for fair use in Cosmos: A Personal Voyage
This picture is being used in Wikipedia's article for the television show Cosmos: A Personal Voyage (PBS). Although it is subject to copyright, the editors of Wikipedia, among them myself (Necessary Evil) in particular, feel that it is covered by US fair use laws because: Further, we believe our use of the image is fair because it is not being used merely to decorate the related article, but rather: Particularly because:
 * It is a low resolution still image;
 * It does not limit the copyright owner's rights to sell the related product in any way
 * Aids commentary on the plot outline;
 * Poignantly illustrates the related episode
 * It illustrates the significant moment which characterises the article in question.