The shadow cast by light beams on Earth is known as the penumbra shadow. Compared to the umbra, it is quite light. A lunar eclipse is the result of the moon moving inside the Earth.
What is penumbra?
The shadows cast on Earth by the sun and moon are referred to as “penumbra.” The extremely faint shadow completely envelops the surrounding area. Penumbra's incomplete and imperfect shadow is not complete. Penumbra is the name of the second shadow cast by the sun.
The penumbra of a partial lunar eclipse covers the moon. It is the full area that the penumbra covers. Although the area is partially covered by the sun's shadow (penumbra), the moon completely obscures the area. Sunlight is refracted by the atmosphere of Earth.
The color of the penumbra is an RGB mixture and a deep shade of cyan. Penumbra red is 14.12%, penumbra green is 32.55%, and penumbra blue is 35.69% in terms of hue.
Hence, the significance of the penumbra is aforementioned.
Learn more about on penumbra, here:
https://brainly.com/question/1400703
#SPJ5
