NASA's Curiosity rover sends back 'postcard' of Martian 'sunrise'
The photos were originally taken in black and white, by the Curiosity’s navigation cameras, but they had color added later on Earth.
NASA’s Curiosity Mars rover used its black-and-white navigation cameras to capture panoramas of “Marker Band Valley” at two times of day on April 8. Color was added to a combination of both panoramas for an artistic interpretation of the scene.(photo credit: NASA/JPL-Caltech)Updated: 
