Dialing Up Mars Astrobiology Magazine

For those interested in understanding the red planet, a scientific stowaway aboard the two NASA Mars’ probes promises to offer a unique view. A Cornell collaboration with Bill Nye, ‘the Science Guy’, and schoolchildren has launched the first interplanetary sundial. The solar clocks perform two functions: telling time on Mars, while offering camera calibration for photographing the true color of the pinkish Martian sky.