This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Bright orange longitudinal & latitudinal lines. The original can be viewed here: Peirce-quincuncial-projection.jpg: . Modifications made by The Tetrast.

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Original upload log

This image is a derivative work of the following images:

• File:Peirce-quincuncial-projection.jpg licensed with PD-self
  • 2006-10-30T14:11:14Z Mdf 2048x2048 (1250189 Bytes) A Peirce quincuncial projection of a [[Visible Earth]] image collected by the [[Earth Observatory]] experiment of the U.S. Government's [[NASA]] space agency. The reticle is 15 degrees in latitude and longitude. {{PD-self}}

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