Question

_____ is a partial shadow between regions of complete shadow and complete illumination cast by Earth or the moon during an eclipse.​

Answer 1

Answer:

here is ur answer

penumbra is a partial shadow between regions of complete shadow and complete illumination cast by Earth or the moon during an eclipse.

Explanation:

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Answer 2

Answer:

Maybe the answer is Penumbra

Explanation:

definition why the answer is Penumbra (only for knowledge)

The penumbra is a half-shadow that occurs when a light source is only partly covered by an object—for example, when the Moon obscures part of the Sun's disk..