Image:Viking Lander 1 Phobos Shadow p131b.jpg

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This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of 17 U.S.C. § 105. See Copyright. Note: This only applies to works of the Federal Government and not to the work of any individual US state, territory, commonwealth, county, subdivision, or municipality.

The Viking 1 Lander detected a dip in the light level due to the penumbral shadow of Phobos passing across the lander during a transit of Phobos from Mars. The slightly darkened vertical lines near the center represent the event. Colors are distorted to enhance detail.

[edit] External links

• http://history.nasa.gov/SP-425/ch38.htm
• http://history.nasa.gov/SP-425/p131b.htm

File history

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• (del) (cur) 18:01, 26 June 2004 . . Curps (Talk | contribs) . . 264×400 (11,418 bytes) ({{PD-USGov}})

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File links

• Shadow of Phobos on Mars