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Rotating_earth_(large).gif (400 × 400 pixels, file size: 978 KB, MIME type: image/gif, looped, 44 frames, 4.0 s) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
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Earth's rotation imaged by Deep Space Climate Observatory, showing tilt. Earth's rotation or Earth's spin is the rotation of planet Earth around its own axis, as well as changes in the orientation of the rotation axis in space. Earth rotates eastward, in prograde motion. As viewed from the northern polar star Polaris, Earth turns counterclockwise.
Date: 31 March 2021: Source: Reversed version of File:Wikipedia logo puzzle globe spins horizontally continuously.gif: Author: David Richfield (User:Slashme) Github profile (blender file), User:Psiĥedelisto (this rendered version), User:Jahobr (only the horizontal rotation), User:Chlod (continuous rotation)
ν E = 1.19 is the normalized Euler frequency (in units of reciprocal years), C = 8.04 × 10 37 kg m 2 is the polar moment of inertia of the Earth, A is its mean equatorial moment of inertia, and C − A = 2.61 × 10 35 kg m 2. [2] [7] The observed angle between the figure axis of the Earth F and its angular momentum M is a few hundred ...
Melting ice is slowing Earth's spin and causing changes to its axis, new studies find. The shifts are causing feedback beneath the surface, impacting the planet's molten core.
The axis of this torque is roughly perpendicular to the axis of the Earth's rotation so the axis of rotation precesses. If the Earth were a perfect sphere, there would be no precession. This average torque is perpendicular to the direction in which the rotation axis is tilted away from the ecliptic pole, so that it does not change the axial ...
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