Science
Earth is whipping around quicker than it has in a half-century – Space.com
It could mean a “negative” leap second.
Even time did not escape 2020 unscathed.
The 28 fastest days on record (since 1960) all occurred in 2020, with Earth
completing its revolutions around its axis milliseconds quicker than average. That’s not particularly alarming the planet’s rotation varies slightly all the time, driven by variations in atmospheric pressure
, winds, ocean currents and the movement of the core. But it is inconvenient for international timekeepers, who use ultra-accurate atomic clocks to meter out the Coordinated…
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