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SR-71 Soars Over the Sierra Nevadas
SR-71 Soars Over the Sierra Nevadas

An SR-71B from NASA’s Dryden Flight Research Center in California slices across sky above the snowy southern Sierra Nevada Mountains…

Dione Has Her Faults
Dione Has Her Faults

This view of Dione, Saturn’s icy moon, highlights its tectonic faults and craters. To create this enhanced-color view, ultraviolet, green…

Titan’s Halo
Titan’s Halo

With its thick, distended atmosphere, Titan’s orange globe shines softly, encircled by a thin halo of purple light-scattering haze. This…

Flag-Draped Welcome
Flag-Draped Welcome

The STS-117 crewmembers and Johnson Space Center’s (JSC) director Michael L. Coats (right) are photographed during the STS-117 crew return…

Impact!
Impact!

The photo, taken on January 1, 1963, shows the “energy flash” that occurs when a projectile launched at speeds up…

Titan’s Purple Haze
Titan’s Purple Haze

Encircled in purple stratospheric haze, Saturn’s largest moon, Titan, appears as a softly glowing sphere in this colorized image taken…

Lightness of Being
Lightness of Being

The bright sun dissects the airglow above Earth’s horizon in this view photographed with a digital still camera from the…

Saturn Is Red
Saturn Is Red

This false-color image of two density waves in Saturn’s A ring was made by the Cassini-Huygens Ultraviolet Imaging Spectrograph instrument.…

Full Moon Photographed by Expedition 10
Full Moon Photographed by Expedition 10

This view of a full moon was photographed by the Expedition 10 crew orbiting Earth aboard the International Space Station.…

Cat’s Eye Rings and Peek-a-Boo Shadows
Cat’s Eye Rings and Peek-a-Boo Shadows

Astronomers have long known that Saturn’s rings reflect sunlight most strongly when Earth is located directly between Saturn and the…