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  2. Earth's rotation - Wikipedia

    en.wikipedia.org/wiki/Earth's_rotation

    Earth's rotation or Earth's spin is the rotation of planet Earth around its own axis, ... Scientists reported that in 2020 Earth had started spinning faster, after ...

  3. Inner core super-rotation - Wikipedia

    en.wikipedia.org/wiki/Inner_core_super-rotation

    Cutaway of the Earth showing the inner core (white) and outer core (yellow). Inner core super-rotation is the eastward rotation of the inner core of Earth relative to its mantle, for a net rotation rate that is usually [clarification needed] faster than Earth as a whole.

  4. Earth is spinning faster than usual, but why? What experts ...

    www.aol.com/news/earth-spinning-faster-usual-why...

    The shortened days are caused by the Earth spinning faster than usual, Interesting Engineering reported. But why is the Earth spinning faster? Scientists are not completely certain, but they have ...

  5. Equatorial bulge - Wikipedia

    en.wikipedia.org/wiki/Equatorial_bulge

    The Earth's rotation rate is still slowing down, though gradually, by about two thousandths of a second per rotation every 100 years. [1] Estimates of how fast the Earth was rotating in the past vary, because it is not known exactly how the moon was formed. Estimates of the Earth's rotation 500 million years ago are around 20 modern hours per ...

  6. Foucault pendulum - Wikipedia

    en.wikipedia.org/wiki/Foucault_pendulum

    The pendulum was introduced in 1851 and was the first experiment to give simple, direct evidence of the Earth's rotation. Foucault followed up in 1852 with a gyroscope experiment to further demonstrate the Earth's rotation. Foucault pendulums today are popular displays in science museums and universities. [1]

  7. Earth's inner core - Wikipedia

    en.wikipedia.org/wiki/Earth's_inner_core

    the Earth's mass, its gravitational field, and its angular inertia. These are all affected by the density and dimensions of the inner layers. [20] the natural oscillation frequencies and modes of the whole Earth oscillations, when large earthquakes make the planet "ring" like a bell. These oscillations also depend strongly on the inner layers ...

  8. Atmospheric super-rotation - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_super-rotation

    Atmospheric super-rotation is a phenomenon where a planet's atmosphere rotates faster than the planet itself. This behavior is observed in the atmospheres of Venus, Titan, Jupiter, and Saturn. Venus exhibits the most extreme super-rotation, with its atmosphere circling the planet in four Earth days, much faster than the planet's own rotation of ...

  9. Axial precession - Wikipedia

    en.wikipedia.org/wiki/Axial_precession

    Precessional movement of Earth. Earth rotates (white arrows) once a day around its rotational axis (red); this axis itself rotates slowly (white circle), completing a rotation in approximately 26,000 years [1] In astronomy, axial precession is a gravity-induced, slow, and continuous change in the orientation of an astronomical body's rotational ...