Al igual que la Tierra, el Sol tiene diferentes capas en su estructura. La región más densa se encuentra en el medio, donde el hidrógeno y el helio son atraídos por la gravedad hacia el centro del Sol. Partículas de luz (también conocidas como fotones) producidos en el núcleo por fusión nuclear tienen que alcanzar la capa conocida como fotosfera before escaping into space. After their valiant escape, it takes just 8 minutes for the photons to hit the Earth. The photosphere is the “surface” of the sun that we see with our eyes (using proper eye protection, of course!) Photons can spend thousands of years trying to escape the dense inner layers before finally reaching the photosphere.
Fuera de la fotosfera hay dos áreas conocidas como el atmósfera y el corona that will be visible during the eclipse. Usually you cannot see these regions at all. They are too close to the intense light of the photosphere, and their light gets outshone. The chromosphere is a small red layer that is cooler than the photosphere. It will actually appear as a red or pink ring during the eclipse. The corona is a large sparse cloud of hot solar material. The corona is unusually hot, at about 1000 times hotter than the photosphere (1,800,000 °F.) Scientists do not know what the causes the corona to be so incredibly hot. The corona will be seen as wispy strands of white material coming out from behind the Moon.
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