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Composite time-lapse images of solar eclipses
Solar eclipses. Composite time lapse images of a total solar eclipse (upper), a beaded eclipse (mi- ddle) & an annular eclipse (lower). Solar eclipses occur when the moon passes between the Earth and the Sun. An annular eclipse occurs when the Earth is close to the Sun & far from the Moon. The disc of the Moon appears smaller than that of the Sun, so a ring (or annulus) of the Sun's surface is visible. When the Earth is further from the Sun and closer to the moon, some of the annulus is blocked, causing a beaded eclipse. When the Earth is far from the Sun & close to the Moon, a total eclipse occurs with only the Sun's outer atmosphere (corona, white) being visible.
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