File:Orbits around earth scale diagram.svg

DescriptionOrbits around earth scale diagram.svg English: A scale diagram showing earth and various orbits above it. Deutsch: Skalendiagramm der Erde

DescriptionHigh School Earth Science 1-13.pdf English: The first source PDF for the High School Earth Science Wikibook. Date 22 February 2010 Source http://about

DescriptionCK12 Earth Science.pdf English: Earth Science book from the CK-12 Foundation. Date 11 June 2009 Source CK-12 Foundation at www.ck12.org (See

DescriptionGor-orbit-diagram.svg Abstract diagram of the three-mooned planet Gor in earth's orbit, but opposite to earth (i.e. the "counter-earth" or "antichthon")

image is a derivative work of the following images: File:Celestial_numbers.svg licensed with Cc-by-sa-3.0, GFDL 2011-02-11T14:24:09Z Gregors 690x620 (71786