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Station Cosmonauts Perform Spacewalk
Station Cosmonauts Perform Spacewalk

Russian cosmonauts Oleg Kotov (right), Expedition 38 commander; and Sergey Ryazanskiy, flight engineer, attired in Russian Orlan spacesuits, participate in…

Cosmonaut Sergey Ryazanskiy Performs Spacewalk
Cosmonaut Sergey Ryazanskiy Performs Spacewalk

Russian cosmonaut Sergey Ryazanskiy, Expedition 38 flight engineer, attired in a Russian Orlan spacesuit, participates in a session of extravehicular…

Triple Asteroid System Triples Asteroid Observers Interest
Triple Asteroid System Triples Asteroid Observers Interest

These Goldstone radar images show triple asteroid 1994 CC.

Asteroid 1999 RQ36
Asteroid 1999 RQ36

These series of radar images of asteroid 1999 RQ36 were obtained by NASA’s Deep Space Network antenna in Goldstone, Calif.…

NASA Radar Images Asteroid 2007 PA8
NASA Radar Images Asteroid 2007 PA8

This composite image of asteroid 2007 PA8 was obtained using data taken by NASA’s 230-foot-wide (70-meter) Deep Space Network antenna…

Nine Radar Images of Asteroid PA8
Nine Radar Images of Asteroid PA8

A collage shows nine radar images of near-Earth asteroid 2007 PA8 that were obtained between Oct. 31 and Nov. 13,…

Tumbling Asteroid Toutatis
Tumbling Asteroid Toutatis

This movie of radar data images of asteroid Toutatis were generated with data collected using NASA’s 230-foot-wide (70-meter) Deep Space…

Goldstone Radar Images of Asteroid 2013 ET
Goldstone Radar Images of Asteroid 2013 ET

This sequence of radar images of asteroid 2013 ET was about 693,000 miles (1.1 million kilometers) from Earth.

Radar Movies Highlight Asteroid 1998 QE2 and Its Moon
Radar Movies Highlight Asteroid 1998 QE2 and Its Moon

This radar imagery of asteroid 1998 QE2 and its moon was generated from data collected by NASA’s 230-foot-wide (70-meter) Deep…

Asteroid 2005 WK4
Asteroid 2005 WK4

This collage of radar images of near-Earth asteroid 2005 WK4 was collected by NASA scientists using the 230-foot (70-meter) Deep…