Internal structure of the Sun, artwork

Internal structure of the Sun, artwork

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Credit: LIONEL BRET/LOOK AT SCIENCES/SCIENCE PHOTO LIBRARY

Caption: Internal structure of the Sun, cutaway artwork. At the Sun's core (white) hydrogen atoms undergo nuclear fusion, producing helium atoms and releasing heat and light energy as photons. These radiate outwards through the inner region (radiative zone) to the outer convection zone layer. Here, solar plasma rises in thermal columns to the visible surface (photosphere). Intense magnetic fields on the surface of the Sun inhibit convection, causing regions of lower temperature (sunspots, dark spots, centre left). Solar prominences (red, some at right) are shown erupting from the Sun's surface.

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Keywords: artwork, astronomical, astronomy, astrophysical, astrophysics, ball, circle, circular, cme, convection zone, core, corona, coronal, coronal mass ejection, cutaway, diagram, globe, heat, heliophysics, high temperatures, hot, illustration, inner, inside, internal, layer, layers, light, nuclear fusion, outer, photosphere, plasma, prominence, prominences, radiation, radiative zone, region, regions, round, section, sectioned, solar atmosphere, solar physics, solar system, space, sphere, spherical, star, structure, sun, sunlight, sunspot, sunspots, surface, thermal, zone, zones

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