Due to a “gradual slow down” of the Earth’s rotation a “leap second” has been added to June 30th. Scientists use a technique called Very Long Baseline Interferometry (VLBI) to measure how long it takes the Earth to make a full rotation.
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Due to a “gradual slow down” of the Earth’s rotation a “leap second” has been added to June 30th. Scientists use a technique called Very Long Baseline Interferometry (VLBI) to measure how long it takes the Earth to make a full rotation.
