Abnormality in Earth’s Rotation
Earth, our homeland, is spinning abnormally. Yes, you heard that right. It is spinning very fast than it has in over 50 years. So, are we on the verge of facing a catastrophe? Whereas, Earth used to take more than 24 hours to complete a rotation, but since 2020, every day it lasting less than 24 hours. Not only this, the previous shortest day in 2005 was beaten 28 times in 2020. So, do we now need a negative leap second so that atomic clocks can align correctly with the first turning world? So, what is a leap second? It is nothing but an adjustment of one second that is used in Coordinated Universal Time, to accommodate the difference between precise time and imprecisely observed solar time, as days are about 0.5 seconds shorter than 24 hours on average.
So, are the time flies actually true?
But the real fact to know is what is the reason behind it?
Scientists attribute a portion of it to global warming. The melting of glaciers is partly responsible for it. Earth’s rotation varies constantly due to the motion of oceans and the friction of tides.
Thus scientists are now thinking about to whether delete a second from our clock to keep in sync with the earth’s rotation. And it is also very important to keep our satellites and other communication instruments in sync. The International Earth’s Rotation and Reference System Service (IERS) announced in July of 2020, no leap second would be added to earth’s official time on December 2020. As we know, like leap years, leap seconds are time adjustments. Leap seconds are always added on the last day of June or December. The next possible leap second would be added on the last day of June 2021. The most recent leap second was added on December 31, 2016. But adding a leap second is not just a cakewalk. Though it is important to add or subtract leap seconds for satellites, it can have an impact on others’ thoughts of communication. Websites like Reddit, LinkedIn, etc. got crashed when a leap second was added in 2012.
So, let’s just wait for the decision of the scientist and hope that we will not face any catastrophe for this abnormality in the earth’s rotation.
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