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File:Cassini apparent.jpg

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Summary

Description
English: Representation of the apparent motion of the Sun, Mercury, and Venus from the earth. Taken from the "Astronomy" article in the first edition of wikipedia:Encyclopædia Britannica (1771). This geocentric diagram shows, from the location of the earth, the sun's apparent annual orbit, the orbit of Mercury for 7 years, and the orbit of Venus for 8 years, after which Venus returns to almost the same apparent position in relation to the earth and sun.
Date
Source Encyclopaedia Britannica (1st Edition, 1771; facsimile reprint 1971), Volume 1, Fig. 2 of Plate XL facing page 449.
Author James Ferguson (1710-1776), based on similar diagrams by Giovanni Cassini (1625-1712) and Dr Roger Long (1680-1770); engraved for the Encyclopaedia by Andrew Bell.

Licensing

Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

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geocentric model

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c293cf7077e8da79b562485c00cd342a12f5c8a8

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Date/TimeThumbnailDimensionsUserComment
current10:09, 14 July 2010Thumbnail for version as of 10:09, 14 July 20101,672 × 1,645 (773 KB)Chris55300dpi resolution
09:33, 14 July 2010Thumbnail for version as of 09:33, 14 July 2010840 × 830 (253 KB)Chris55{{Information |Description={{en|1=Representation of the apparent motion of the sun and planets from the earth. Taken from the Astronomy article in the first edition of Encyclopaedia Brittanica (1777)}} |Source=Encyclopaedia Brittanica 1st Edition |Author=

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