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  2. Season - Wikipedia

    en.wikipedia.org/wiki/Season

    A season is a division of the year [1] based on changes in weather, ecology, and the number of daylight hours in a given region. On Earth, seasons are the result of the axial parallelism of Earth's tilted orbit around the Sun.

  3. Earth's orbit - Wikipedia

    en.wikipedia.org/wiki/Earth's_orbit

    One complete orbit takes 365.256 days (1 sidereal year), during which time Earth has traveled 940 million km (584 million mi). [2] Ignoring the influence of other Solar System bodies, Earth's orbit, also called Earth's revolution, is an ellipse with the Earth–Sun barycenter as one focus with a current eccentricity of 0.0167. Since this value ...

  4. Template:Earth Labelled Map - Wikipedia

    en.wikipedia.org/wiki/Template:Earth_Labelled_Map

    If |width= is given for {{image label begin}}, the same value must be given as |scale= for {{image label}}, or the labels will become misaligned if the image is resized. When used in a template, the simplest way to ensure this is by passing through the same parameter, as in the example.

  5. File:Flat Earth Seasons.svg - Wikipedia

    en.wikipedia.org/wiki/File:Flat_Earth_Seasons.svg

    Transparent background, re-oriented the arrows to accurately represent Flat Earth Theory - the Sun is meant to go clockwise. 23:06, 2 January 2008 851 × 456 (11 KB)

  6. Seasons on planets - Wikipedia

    en.wikipedia.org/wiki/Seasons_on_planets

    Given the different Sun incidence in different positions in the orbit, it is necessary to define a standard point of the orbit of the planet, to define the planet position in the orbit at each moment of the year w.r.t such point; this point is called with several names: vernal equinox, spring equinox, March equinox, all equivalent, and named considering northern hemisphere seasons.

  7. Seasonal year - Wikipedia

    en.wikipedia.org/wiki/Seasonal_year

    A study of temperature records over the past 300 years [1] suggests that the seasonal year is governed by the anomalistic year rather than the tropical year. This suggestion is surprising because the seasons have been thought to be governed by the tilt of the Earth's axis (see Effect of sun angle on climate). The two types of years differ by a ...

  8. Milankovitch cycles - Wikipedia

    en.wikipedia.org/wiki/Milankovitch_cycles

    The seasons are quadrants of the Earth's orbit, marked by the two solstices and the two equinoxes. Kepler's second law states that a body in orbit traces equal areas over equal times; its orbital velocity is highest around perihelion and lowest around aphelion. [14] The Earth spends less time near perihelion and more time near aphelion.

  9. Earth phase - Wikipedia

    en.wikipedia.org/wiki/Earth_phase

    The Earth phase, Terra phase, terrestrial phase, or phase of Earth, is the shape of the directly sunlit portion of Earth as viewed from the Moon (or elsewhere extraterrestrially). From the Moon, the Earth phases gradually and cyclically change over the period of a synodic month (about 29.53 days), as the orbital positions of the Moon around ...