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Astronauts collect blood aboard the ISS | Space photo of the day for July 21, 2025

Astronauts aboard the International Space Station collect blood samples as part of a project to study human health in space.

Astrobitica July 21, 2025 (Last updated: July 21, 2025) 1 minute read

Astronauts aboard the International Space Station collect blood samples as part of a project to study human health in space.

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