penumbra.
It happens when the Earth, Moon, and Sun are in alignment. During a solar eclipse, the moon casts a three-part shadow across the surface of the Earth. They are the umbra, penumbra, and antumbra, respectively. The umbra, where the moon has entirely engulfed the sun, is the deepest region of the shadow. Penumbra is the lighter portion, whereas umbra is the darker portion. Shade is the same thing as "umbra," while "penumbra" implies "partial shade." In contrast to the umbra, which is located in the center and directly behind the object, the penumbra is located at the edges.
Learn more about Earth and solar Eclipse here:
brainly.com/question/10130446
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