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Large Scale PICA test
Large Scale PICA test

15-inch (380 mm) diameter PICA sample in the arc jet stream

CALIPSO: Eight Years in Orbit
CALIPSO: Eight Years in Orbit

Eight years ago - on April 28, 2006 - the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) mission launched…

Curiosity Mars Rover Beside Sandstone Target ‘Windjana’
Curiosity Mars Rover Beside Sandstone Target ‘Windjana’

This image from the Navigation Camera (Navcam) on NASA's Curiosity Mars rover shows a sandstone slab on which the rover…

The Kamchatka Peninsula and Sunglint
The Kamchatka Peninsula and Sunglint

As the International Space Station passed over the Bering Sea on Earth Day, one of the Expedition 39 crew members…

Steve Swanson Replaces Failed Backup Computer
Steve Swanson Replaces Failed Backup Computer

NASA astronaut Steve Swanson is pictured during a spacewalk to replace a failed backup computer.

Rick Mastracchio is Pictured in a Selfie
Rick Mastracchio is Pictured in a Selfie

Part of the upper body of NASA astronaut Rick Mastracchio is pictured in a "selfie" or self-portrait during a spacewalk.

Steve Swanson Replaces Failed Backup Computer
Steve Swanson Replaces Failed Backup Computer

NASA astronaut Steve Swanson is pictured during a spacewalk to replace a failed backup computer.

SpaceX Dragon Photographed During Spacewalk
SpaceX Dragon Photographed During Spacewalk

The SpaceX Dragon spacecraft docked to the International Space Station was photographed by one of two spacewalking astronauts on April…

SR-71
SR-71

During the 1990s two SR-71 Blackbird aircraft were used by NASA as testbeds for high-speed and high-altitude aeronautical research at…

STS-31 Crew Looks Out at the Hubble Space Telescope
STS-31 Crew Looks Out at the Hubble Space Telescope

Three STS-31 crew members look at the Hubble Space Telescope through overhead windows on space shuttle Discovery, April 25, 1990.…