Solar eclipse

Solar eclipses occur when the Moon passes between the Earth and the Sun

During a solar eclipse, the Moon casts shadows on the Earth known as umbra or penumbra. The umbra is the darkest part of the shadow, while the penumbra is the area where part of the Moon is blocking the Sun. Partial eclipses happen when the Sun and Moon are not in perfect alignment – only the penumbra of the Moon’s shadow passes over the surface of the Earth. In a total eclipse, the umbra touches the Earth’s surface. There are also annular eclipses, in which both the Sun and the Moon are in alignment but the Moon appears to be slightly smaller than the Sun. The Sun appears as a bright ring, or annulus, around the Moon’s profile. The umbra is still in line with a region on the Earth’s surface,…

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How It Works Book of Space (Digital) - 1 Issue, How It Works Book Of Space 8th Edition

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