Robotics is under way as the Canadarm2 robotic arm extracts new solar arrays from the @SpaceX #CargoDragon and the crew trains for two spacewalks.

Science

International Space Station

@Space_Station

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5h

Robotics is under way as the Canadarm2 robotic arm extracts new solar arrays from the

@SpaceX

#CargoDragon and the crew trains for two spacewalks. More... https://go.nasa.gov/2RIdEwB

Shane Kimbrough and 5 others

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1K

Science

NASA Webb Telescope

@NASAWebb

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7h

#TBT to the reveal of Webb's iconic mirror The mirror segments were individually protected with black covers during mirror assembly. In April 2016, engineers took off those covers, unveiling the completed mirror for the very first time: https://go.nasa.gov/3pHxVPi

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Science

National Air and Space Museum

@airandspace

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8h

#OTD in 2003, Mars Exploration Rover Spirit launched on a Delta II rocket en route to Gusev Crater, a place where mineral deposits suggested that Mars had a wet history.