Photos from Viking Lander 1 and 2, 1976-1977 http://nssdc.gsfc.nasa.gov/image/planetary/mars/vikinglander2-1.jpg http://nssdc.gsfc.nasa.gov/image/planetary/mar

Photos from Viking Lander 1 and 2, 1976-1977 http://nssdc.gsfc.nasa.gov/image/planetary/mars/vikinglander2-1.jpg http://nssdc.gsfc.nasa.gov/image/planetary/mars/vikinglander... http://www.wired.com/images_blogs/wiredscience/2012/07/vikinglander1-2.jpg http://www.wired.com/images_blogs/wiredscience/2012/07/vikin... http://mars.spherix.com/spie2003/SPIE_2003_Paper_GVL_files/image007.jpg http://mars.spherix.com/spie2003/SPIE_2003_Paper_GVL_files/i... http://upload.wikimedia.org/wikipedia/commons/3/37/Mars_Viking_22a002.png http://upload.wikimedia.org/wikipedia/commons/3/37/Mars_Viki... http://upload.wikimedia.org/wikipedia/commons/2/2a/First_Color_Image_of_the_Viking_Lander_2_Site.jpg http://upload.wikimedia.org/wikipedia/commons/2/2a/First_Col... http://upload.wikimedia.org/wikipedia/commons/1/1b/Mars_Viking_11d128.png http://upload.wikimedia.org/wikipedia/commons/1/1b/Mars_Viki...