File:Viking Orbiter 1 Phobos shadow p101a.jpg

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Description	Phobos Shadow Transit over the Viking Lander 1 Site. The passage of the Phobos shadow over Viking Lander 1 was imaged simultaneously from Viking Orbiter 1 and Viking Lander 1. The time of shadow passage, as observed by the Lander, was used to locate the position of the shadow (and therefore the position of the lander) in the orbiter pictures. This picture shows the shadow of Phobos (~60 X 120 km across) in the Chryse Planitia region a few kilometers directly north of Viking Lander 1. To the left of bottom center is Maumee Valles, approximately 420 km southwest of the lander's location. [463A21]
Date	Upload 17-July-2005
Source	NASA photo webpage: http://history.nasa.gov/SP-441/ch9.htm http://history.nasa.gov/SP-441/p101a.htm
Author	uploaded by User:Complex01, from NASA photo.

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	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."

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	03:18, 17 July 2005		460 × 451 (47 KB)	Complex01 (talk \| contribs)	{{PD-USGov}} ==Source== * http://history.nasa.gov/SP-441/ch9.htm * http://history.nasa.gov/SP-441/p101a.htm <blockquote> Phobos Shadow Transit over the Viking Lander 1 Site. The passage of the Phobos shadow over Viking Lander 1 was imaged simultaneously

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Usage on en.wikipedia.org
- Transit of Phobos from Mars
Usage on ja.wikipedia.org
- フォボスの影
Usage on pt.wikipedia.org
- Trânsito de Fobos em Marte
Usage on ro.wikipedia.org
- Tranzitul lui Phobos de pe Marte
Usage on ru.wikipedia.org
- Прохождение Фобоса, видимое с Марса
Usage on uk.wikipedia.org
- Проходження Фобоса, видиме з Марса
Usage on zh.wikipedia.org
- 火卫一凌日

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File:Viking Orbiter 1 Phobos shadow p101a.jpg

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