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  2. Axial precession - Wikipedia

    en.wikipedia.org/wiki/Axial_precession

    The images at right attempt to explain the relation between the precession of the Earth's axis and the shift in the equinoxes. These images show the position of the Earth's axis on the celestial sphere, a fictitious sphere which places the stars according to their position as seen from Earth, regardless of their actual distance. The first image ...

  3. Cataclysmic pole shift hypothesis - Wikipedia

    en.wikipedia.org/wiki/Cataclysmic_pole_shift...

    The geographic poles are defined by the points on the surface of Earth that are intersected by the axis of rotation. The pole shift hypothesis describes a change in location of these poles with respect to the underlying surface – a phenomenon distinct from the changes in axial orientation with respect to the plane of the ecliptic that are caused by precession and nutation, and is an ...

  4. Celestial pole - Wikipedia

    en.wikipedia.org/wiki/Celestial_pole

    A series of shots show the rotation of Earth's axis relative to the south celestial pole. The Magellanic Clouds and the Southern Cross are clearly visible. Near the end of the video, the Moon rises and illuminates the scene. The south celestial pole over the Very Large Telescope [3] Locating the south celestial pole

  5. The Earth has tilted on its axis differently over the last ...

    www.aol.com/news/earth-knocked-off-axis-over...

    Scientists say the Earth's axis tilt has changed due to melting ice caps over the last few decades. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 ...

  6. Astronomical nutation - Wikipedia

    en.wikipedia.org/wiki/Astronomical_nutation

    An example of precession and nutation is the variation over time of the orientation of the axis of rotation of the Earth. This is important because the most commonly used frame of reference for measurement of the positions of astronomical objects is the Earth's equator — the so-called equatorial coordinate system. The effect of precession and ...

  7. Earth tilted 31.5 inches, a study finds. So whose fault is ...

    www.aol.com/news/earths-axis-tilted-31-5...

    From 1993 to 2010, the earth is believed to have tilted 31.5 inches east, according to the study, which was published by Geophysical Research Letters. This is because of how much groundwater was ...

  8. Stellar rotation - Wikipedia

    en.wikipedia.org/wiki/Stellar_rotation

    Stars slowly lose mass by the emission of a stellar wind from the photosphere. The star's magnetic field exerts a torque on the ejected matter, resulting in a steady transfer of angular momentum away from the star. Stars with a rate of rotation greater than 15 km/s also exhibit more rapid mass loss, and consequently a faster rate of rotation decay.

  9. Humans pump so much groundwater that Earth’s axis has shifted ...

    www.aol.com/news/humans-pump-much-groundwater...

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