Image: Atomic Clock Ensemble in Space: Time to get ready

ESA's Atomic Clock Ensemble in Space (ACES) has arrived at NASA's Kennedy Space Center in Florida, United States. This cutting-edge European experiment will test fundamental physics from the outside of ESA's Columbus module on the International Space Station, measuring time from orbit with unprecedented precision.

Mar 25, 2025 - 21:15
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ESA's Atomic Clock Ensemble in Space (ACES) has arrived at NASA's Kennedy Space Center in Florida, United States. This cutting-edge European experiment will test fundamental physics from the outside of ESA's Columbus module on the International Space Station, measuring time from orbit with unprecedented precision.