$ 0 0 via http://images.google.com/imgres?imgurl=http://starchild.gsfc.nasa.gov/Images/StarChild/questions/cop_retro.gif&imgrefurl=http://starchild.gsfc.nasa.gov/docs/StarChild/questions/question46.html&h=399&w=786&sz=149&tbnid=dP35DJnuiNWdyM:&tbnh=73&tbnw=143&hl=en&ei=BkzYR9K2J5e8iAGVuPWFAg&sig2=LH2RBfCw2x-VnMbQmWU0NQ&um=1&prev=/images%3Fq%3Dretro%2Bschematics%26um%3D1%26hl%3Den%26client%3Dsafari%26rls%3Den-us%26sa%3DN&frame=small