NASA Mars Orbiter Photographs Spirit and Vikings on the Ground

New images from NASA's Mars Reconnaissance Orbiter show three additional NASA spacecraft that have landed on Mars: the Spirit rover active on the surface since January 2004 and the two Viking landers that successfully reached the surface in 1976.

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<p><a href="http://www.physorg.com/news84559299.html">NASA Mars Orbiter Photographs Spirit and Vikings on the Ground</a></p> <p>New images from NASA's Mars Reconnaissance Orbiter show three additional NASA spacecraft that have landed on Mars: the Spirit rover active on the surface since January 2004 and the two Viking landers that successfully reached the surface in 1976.</p>