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2. Earth's rotation - Wikipedia

   en.wikipedia.org/wiki/Earth's_rotation

   Earth's rotation axis moves with respect to the fixed stars (inertial space); the components of this motion are precession and nutation. It also moves with respect to Earth's crust; this is called polar motion. Precession is a rotation of Earth's rotation axis, caused primarily by external torques from the gravity of the Sun, Moon and other bodies.

3. Diurnal motion - Wikipedia

   en.wikipedia.org/wiki/Diurnal_motion

   The daily arc path of an object on the celestial sphere, including the possible part below the horizon, has a length proportional to the cosine of the declination.Thus, the speed of the diurnal motion of a celestial object equals this cosine times 15° per hour, 15 arcminutes per minute, or 15 arcseconds per second.

4. File:Earth rotation during Galileo flyby (PIA00114).webm

   en.wikipedia.org/wiki/File:Earth_rotation_during...

   English: This 500-frame movie was created from photographs taken by the Galileo spacecraft during its flyby of Earth in December 1990. It begins on 11 December 1990 at 9:10 a.m. Eastern Standard Time (approximately center of image) and lasts 25 hours.

5. AOL Video - Serving the best video content from AOL and ...

   www.aol.com/video

   The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.

6. Chandler wobble - Wikipedia

   en.wikipedia.org/wiki/Chandler_wobble

   The Chandler wobble or Chandler variation of latitude is a small deviation in the Earth's axis of rotation relative to the solid earth, [1] which was discovered by and named after American astronomer Seth Carlo Chandler in 1891. It amounts to change of about 9 metres (30 ft) in the point at which the axis intersects the Earth's surface and has ...

7. Polar motion - Wikipedia

   en.wikipedia.org/wiki/Polar_motion

   Polar motion of the Earth is the motion of the Earth's rotational axis relative to its crust. [2]: 1 This is measured with respect to a reference frame in which the solid Earth is fixed (a so-called Earth-centered, Earth-fixed or ECEF reference frame). This variation is a few meters on the surface of the Earth.

8. News, Politics, Sports, Mail & Latest Headlines - AOL.com

   homepage.aol.com

   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

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 ...