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Autumn
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Autumn, also known as fall in North American English, is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, beginning in September or M
Leaves often turn orange and fall from trees in autumn.
Leaves often turn orange and fall from trees in autumn.
Quebec city, Quebec, Canada 202205
Quebec city, Quebec, Canada 202205
Jesień ('Autumn') – An oil painting by Józef Chełmoński (1875) presenting a typical view of autumn in the 19th-century Polish countryside
Jesień ('Autumn') – An oil painting by Józef Chełmoński (1875) presenting a typical view of autumn in the 19th-century Polish countryside
Autumn colouration at the Kalevanpuisto park in Pori, Finland.
Autumn colouration at the Kalevanpuisto park in Pori, Finland.
Season
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A season is a division of the year 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
Autumn
…Autumn, also known as fall in North American English, is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, beginning in September (Northern Hemisphere) or March (Southern…
Axial parallelism is a characteristic of the Earth (and most other orbiting bodies in space) in which the direction of the axis remains parallel to it
Axial parallelism is a characteristic of the Earth (and most other orbiting bodies in space) in which the direction of the axis remains parallel to itself throughout its orbit.
Illumination of Earth at each change of astronomical season
Illumination of Earth at each change of astronomical season
Two images showing the amount of reflected sunlight at southern and northern summer solstices respectively (watts / m2)
Two images showing the amount of reflected sunlight at southern and northern summer solstices respectively (watts / m2)
Angular size of the Sun at Earth's orbital periapsis called perihelion (max./closest, 2. to 5. January) and at apoapsis called aphelion (min./furthest
Angular size of the Sun at Earth's orbital periapsis called perihelion (max./closest, 2. to 5. January) and at apoapsis called aphelion (min./furthest, 3. to 6. July). The resulting 7% difference in solar intensity does not overpower geographic factors of climate, with seasons staying more moderate on the Southern Hemisphere due to having less landmass.