A Robotic Helping Hand – NASA

The 57.7-foot-long Canadarm2 robotic arm extends from the International Space Station. The arm is long, cylindrical, and white, with several joints that are bent to the right (at left in the image) and downward (at center). Earth makes a bright white and blue background for the top half of the photo. Our home planet contrasts starkly with the darkness of space.

NASA astronaut Jonny Kim took this photo on July 23, 2025, as the International Space Station orbited 259 miles above a cloudy Pacific Ocean southwest of Mexico. Visible in the image is the 57.7-foot-long Canadarm2 robotic arm, which extends from a data grapple fixture on the International Space Station’s Harmony module. Attached to its latching end effector is Dextre, the station’s fine-tuned robotic hand designed for delicate external maintenance tasks. Station crew use Canadarm2 to perform maintenance tasks, capture visiting spacecraft, and move supplies, equipment, and even astronauts.

On Nov. 2, 2025, the space station reached 25 years of continuous human presence. The orbital lab remains a training and proving ground for deep space missions, enabling NASA to focus on Artemis missions to the Moon and Mars.

Image credit: NASA/Jonny Kim

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