Southwest Research Institute

Blue Haze of Pluto

Image: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

Smog getting you down? Consider this: even Pluto has got that!

Scientists stitched together images from the Long Range Reconnaissance Imager (LORRI) from NASA’s New Horizons spacecraft when it was about 120,000 miles (200,000 kilometers) away from Pluto. The resulting image of Pluto’s receding crescent shows a spectacular blue “haze” in the dwarf planet’s atmosphere:

Scientists believe the haze…