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Scientists uncover reasons for changes in the length of a day on Earth

Researchers from the University of Alberta found that the length of a day on Earth changes due to the movement of the planet’s inner core. They noted that changes in the core’s rotation affect the mantle, leading to fluctuations in the length of a day.

In brief

  • Researchers uncovered reasons for changes in the length of a day.
  • The movement of the inner core affects the Earth’s mantle.
  • The planet’s rotation speed fluctuates by a few milliseconds.
  • The mantle responds to changes in the core’s movement in the opposite direction.
Covered by 1 of 6 media groups
  • Budgetno reports
  • Public moneyno reports
  • Media business2
  • Big capitalno reports
  • Readers and grantsno reports
  • Undisclosedno reports

Not covered by: budget, public money, big capital, readers and grants, undisclosed.

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Share of reports by media group
GroupShareCount
Media business
  • Newsroom 2
100%2 items

How we count media groups — Methodology

Who heard
  • community 1
  • region 0
  • country 1
  • world 0
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  • Weeklies and analysis 1

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    • first item
    • first

    Вчені з’ясували, чому тривалість доби на Землі змінюється

  • NVMedia business
    • first item
    • caught up, 12 h later
    • national desk

    Чому доба на Землі не триває рівно 24 години. Фізики розкрили таємницю надр планети

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