HALE OBSERVATORIES, COURTESY EMILIO SEGRE VISUAL ARCHIVES / AMERICAN INSTITUTE OF PHYSICS / SCIENCE PHOTO LIBRARY HALE OBSERVATORIES, COURTESY EMILIO SEGRE VISUAL ARCHIVES / AMERICAN INSTITUTE OF PHYSICS / SCIENCE PHOTO LIBRARY
Editorial use only.
Solar prominence and Earth. Earth. A solar prominence is an eruption of ionized plasma at a much cooler temperature than that found in the corona, the Sun's atmosphere. This makes the prominence visible as a darker feature as it erupts from the layer of the Sun known as the photosphere. The Earth has a diameter of 12,756 kilometres. The Sun (curved limb at bottom) has a diameter of over 1.3 million kilometres. This drawing, obtained from visual observation, was made by British astronomer Sir Robert Stawell Ball (1840-1913) and published in 'The Story of the Sun' (1893).
Model release not required. Property release not required.