Earth's seasons, illustration

Numéro d’image : 13376962
Earth's seasons, illustration
Earth's orbit showing seasons. Illustration of the Earth's orbit around the Sun, showing how the planet's tilted axis gives rise to the seasons. The angular tilt of Earth's rotational axis varies from 22.1 degrees to 24.5 degrees and back again on a 41, 000-year cycle. Currently, this angle is approximately 23.5 degrees and is decreasing. The axial tilt results in the Earth's seasons. Each hemisphere experiences winter when it is pointed away from the Sun, and summer when it is pointed towards the Sun. Counter-clockwise from the bottom, the seasons shown are (for the northern hemisphere), spring, summer, autumn and winter.
Licence : Droits gérés
Crédit: Science Photo Library
Taille de l’image : 4181 px × 4181 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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