File:March 2011 Image of Spitteler and Holberg Craters Rotated.jpg

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Summary

Description	English: This image taken by NASA's MESSENGER spacecraft of Mercury's Spitteler and Holberg craters has been rotated in an attempt to eliminate the Crater Illusion.
Date	10 September 2015
Source	http://photojournal.jpl.nasa.gov/catalog/PIA14206
Author	NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

Other information

This is an original public domain image from NASA's MESSENGER mission of Mercury's Spitteler and Holberg craters that has been rotated by the uploader to attempt to eliminate the crater illusion.

Licensing

	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:52, 10 September 2015		1,333 × 750 (521 KB)	InformationvsInjustice	Uploading a public-domain item using File Upload Wizard

File usage

The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Crater illusion

Metadata

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Orientation	Normal
File change date and time	17:08, 10 September 2015
Software used	Microsoft Windows Live Photo Gallery 15.4.3508.1109