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Titan and Tethys
12.23.2011Saturn's moon Tethys, with its stark white icy surface, peeps out from behind the larger, hazy, colorful Titan.
Saturn's moon Tethys, with its stark white icy surface, peeps out from behind the larger, hazy, colorful Titan.
The sun erupted with a good-sized solar flare and a coronal mass ejection on its far-side beyond the view of NASA's Solar Dynamics Observatory (SDO).
A dense cloud of dust swept from the coast of southern Afghanistan and Pakistan in this image by the MODIS instrument on NASA's Aqua satellite.
A pair of images from the VISTA telescope at the Paranal Observatory in Chile shows the Helix Nebula in infrared (left) and visible light.
