An Opportunity to Study Water

NASA astronaut Don Pettit fills a sphere of water with food coloring in this image from Oct. 20, 2024. Pettit calls experiments like these “science of opportunity” – moments of scientific exploration that spontaneously come to mind because of the unique experience of being on the International Space Station. During his previous missions, Pettit has contributed to advancements for human space exploration aboard the International Space Station resulting in several published scientific papers and breakthroughs.

See other inventive experiments Pettit has conducted.

Image credit: NASA/Don Pettit