Question

Define umbra and penumbra?​

Answer 1

Answer:

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Explanation:

During an eclipse, two shadows are cast. The first is called the umbra (UM bruh). This shadow gets smaller as it goes away from the sun. It is the dark center of the eclipse shadow. The second shadow is called the penumbra (pe NUM bruh).

PENUMBRA..

The penumbra is the lighter outer part of a shadow. The Moon's penumbra causes partial solar eclipses, and the Earth's penumbra is involved in penumbral lunar eclipses. The penumbra is a lighter type of shadow....

UMBRA..

a region of complete shadow resulting from the total obstruction of light by an opaque object, esp the shadow cast by the moon onto the earth during a solar eclipse. the darker inner region of a sunspot. Compare penumbra....

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