NASA has released a photo taken by New Horizons spacecraft that shows Pluto's atmosphere in infrared wavelengths. This is the first image of the atmosphere made with data from the New Horizons LEISA instrument. In this image sunlight is coming from above and behind Pluto, was captured on July 14, 2015. The new infrared image, when combined with earlier images made at shorter, visible wavelengths, gives scientists new clues into the size distribution of the particles..