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Summary

DescriptionVenus pentagram.png	English: The planet Venus orbits just over 13 times for every 8 orbits of the Earth, creating a pentagrammic pattern of inferior conjunctions. Each successive inferior conjunction occurs after about 1.6 Earth years and therefore shifts about 144 degrees in the direction opposite the Earth's orbital motion. During each cycle of 8 Earth years, the pentagram precesses about 1.5 degrees in the direction of Earth's orbital motion, reflecting the fact that the Earth:Venus orbital ratio is an approximate ('near') rather than a perfect orbital resonance. (Text written by TomRuen, FelineAvenger, and WolfmanSF)
Date	24 September 2007 Motion of planet venus over 5 successive inferior conjunctions follows a pentagram pattern, precessing 2/5 of an orbit between conjunctions.
Source	Computed, Originally uploaded to the English language Wikipedia Here's a similar plot from 1799! from James Ferguson’s, Astronomy Explained Upon Sir Isaac Newton’s Principles,1799 ed., plate III, opp. p. 67.
Author	Own work by Tomruen
Permission (Reusing this file)

Licensing

This work has been released into the public domain by its author, Tomruen at English Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: Tomruen grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.Public domainPublic domainfalsefalse

Original upload log

The original description page was on en.wikipedia (file log). All following user names refer to en.wikipedia.

• 22:11, 30 October 2007 (UTC) McLoaf 853×792 (8 KB)
• 09:07, 12 October 2007 (UTC) Max Elf 0×0 (29 KB) (Reverted to version as of 20:43, 24 September 2007)
• 09:06, 12 October 2007 (UTC) Max Elf 0×0 (53 KB) (Reverted to version as of 20:54, 24 September 2007)
• 20:56, 24 September 2007 (UTC) Tomruen 0×0 (51 KB) (One more try to make pretty)
• 20:54, 24 September 2007 (UTC) Tomruen 0×0 (53 KB) (Make dots bigger for better thumbnail appearance)
• 20:43, 24 September 2007 (UTC) Tomruen 0×0 (29 KB) (Motion of planet [[venus]] over 5 successive [[inferior conjunction]]s follows a [[pentagram]] pattern, precessing 2/5 of an orbit between conjunctions. [[Image:FullSkyAstronomySoftwareLogo.png|thumb]])