Internal and surface structure of the Sun, illustration

Numéro d’image : 12553578
Internal and surface structure of the Sun, illustration
Internal and surface structure of the Sun, cutaway illustration. At the Sun's core, hydrogen atoms undergo nuclear fusion, producing helium atoms and releasing heat and light energy as photons. These radiate outwards (yellow arrows) through the inner region (radiative zone) to the outer convection zone layer. Here, solar plasma rises in thermal columns to the visible surface (photosphere), creating convection cells (orange arrows) and granulation patterns (upper left) on the surface. Intense magnetic fields on the surface of the Sun inhibit convection, causing regions of lower temperature (sunspots, dark spots, some at upper left). Solar prominences are shown erupting from the Sun's surface.
Licence : Droits gérés
Crédit: Science Photo Library / TIM BROWN
Taille de l’image : 4181 px × 4179 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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