Question

what is umbra and penum bra?
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Answer 1

Answer:

During an eclipse, two shadows are cast. The first is called the umbra ... It is the dark center of the eclipse shadow. The second shadow is called the penumbra . The penumbra gets larger as it goes away from the sun

Answer 2

Answer:

these are two shadow's

Explanation:

during ellipse these two shadow's form and dark is called as umbra and another one is called penumbra