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An experiment is seen attached to a space station robotic arm. The experiment appears as a box with orange and blue colored solar panels on the sides. The Earth is seen out of focus at the bottom edge of the image.

Robotic Space Tools at Work

iss061e148301 (January 29, 2020) --- The Space Test Program Satellite-4 (STPSat-4) photographed on the exterior of the International Space Station, is an automated platform for robotic space tools and sensors that test equipment and monitor space conditions. Included on the platform are space weather sensors, solar panels, antennas, and devices for tracking the location of satellites.

Image Credit: NASA
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