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Don Pettit's hand is at the right edge of the photo. He holds a syringe filled with red food coloring. A droplet of food coloring hangs off the needle above a bubble of water. The water sphere is pinkish on its left third. Dye swirls through the remaining two thirds, making it look a little like Jupiter.

An Opportunity to Study Water

Space science is fun! NASA astronaut and Expedition 72 Flight Engineer Don Pettit fills this sphere of water with food coloring creating a Jupiter-like effect in the microgravity environment of the International Space Station.

Image Credit: NASA/Don Pettit

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TakenOctober 20, 2024
Image CreditNASA/Don Pettit
Size3840x2160px