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9 January, 15:17

Early in the 20th century a geophysicist/astronomer named Milutin Milankovitch studied orbital forcing cycles including axial precession, precession of equinoxes, and orbital eccentricity. Which of the orbital forcing cycles is related to the wobble in tilt of Earth's axis

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  1. 9 January, 17:25
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    Answer: Axial Tilt (obliquity) cycle

    Explanation:

    Milankovitch's theory explains that Earth's orbit is influenced by three basic parameters that modify the planet's translation and rotation movements:

    1. Variation of the Eccentricity of the orbit cycle, which influences the amount of solar radiation the Earth receives.

    2. Variation of the axial Precession cycle, due to the flattening of the terrestrial sphere, causing the modification of the relative position of the solstices and the equinoxes with respect to aphelion and perihelion.

    3. Variation of axial tilt (obliquity) cycle, which is related to the changes in the angle of inclination of the Earth's rotation axis in its orbit around the Sun. This phenomenon is responsible for the seasons and although the amount of radiation the Earth receives does not change, its distribution on the surface does vary.
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