The atomic clock with the world’s best long-term accuracy is revealed after evaluation


A caesium fountain clock that keeps the United Kingdom‘s atomic time is now the most accurate long-term timekeeper in the world, according to a new evaluation of the clock that will be published in the…

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When minor planets Ceres and Vesta rock the Earth into chaos


Astronomy Astrophysics is publishing numerical simulations of the long-term evolution of the orbits of minor planets Ceres and Vesta, which are the largest bodies in the asteroid belt, between Mars and Jupiter. Ceres is 6000…

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