Question

The central dark region of the shadow is called________ region​

Answer 1

Answer:

The central dark region of the shadow is called umbra region​

Explanation:

The umbra is the dark center portion of a shadow. The Moon's umbra causes total solar eclipses, and the Earth's umbra is involved in total and partial lunar eclipses. The umbra is the darkest type of shadow.

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Answer 2

Answer:

Thea penumbra.

THE CENTRAL DARK REGION OF THE SHADOW IS CALLED THEA PENUMBRA.