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Why 1972 Was The Longest Year in History


Kaushik Patowary
Jul 8, 2021
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Some years seem longer than others, especially when you are passing through a bad phase in life such as being stuck at home because a pandemic is playing havoc around, but officially the longest year on record was 1972. It was longer than the average year by a whole two seconds. The two extra seconds were leap seconds added on June 30 and again on December 31 the same year.
Photo:
What are leap seconds?
From time to time, leap seconds are added to clocks on Earth to accurately reflect the observed solar time. This is due to the fact that the Earth’s rotation around the axis and its revolution around the sun is imprecise and varies from year to year. ....

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Why a faster spinning Earth is expected to make 2021 the shortest year on record


 
TORONTO
Scientists say 2021 is expected to be a shorter year than normal with the Earth spinning at a faster rate than it has in the last 50 years.
York University astronomy and physics professor Paul Delaney explained to CTV s Your Morning that as the Earth’s rotation speeds up, the shift means that time is slowing on the planet’s surface, making each day a fraction of a second shorter than 24 hours.
He said in an interview on Tuesday that this phenomenon is likely being caused by climate change.
There is such [sic] a lot of ice that is becoming liquid and… as a consequence of that you re changing the way the mass on the surface of the Earth is situated, Delaney said. When you bring the amount of material, the amount of mass, closer to our rotation axis that actually spins up our rotation rate a little bit faster. ....

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