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Tiny silver ball bearings crowd around a larger bearing in a clear, viscous fluid. Some of the smaller ball bearings are suspended in the fluid.

Studying Physics in Microgravity

Tiny ball bearings surround a larger central bearing during the Fluid Particles experiment, conducted inside the Microgravity Science Glovebox (MSG) aboard the International Space Station’s Destiny laboratory module.

Image Credit: NASA/Zena Cardman

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TakenOctober 20, 2025
Image CreditNASA/Zena Cardman
Size8256x5504px