
Science
ACES: time for science
Posted on Wednesday April 23rd, 2025 by Marie Deschamps
Now on the way to its new home in space, ESA’s Atomic Clock Ensemble in Space (ACES) will soon be ready to explore some of the most fundamental questions in physics, from the nature of gravity to the definition of time itself. At the heart of ACES are two complementary clocks: the caesium-based PHARAO and […]
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