Moon

A moon grahan (lunar eclipse) happens when the Earth comes between the Sun and the Moon, blocking sunlight from reaching the Moon. Instead of shining bright, the Moon looks dark, reddish, or copper-colored. This red color happens because sunlight bends through Earth’s atmosphere, filtering out blue light and leaving mostly red — this is called Rayleigh scattering.

Types of Moon Grahan:
1. Penumbral Lunar Eclipse – The Moon passes through the faint outer shadow of Earth (penumbra). It looks slightly dim, often hard to notice.
2. Partial Lunar Eclipse – A part of the Moon enters Earth’s main shadow (umbra), so only a section looks dark.
3. Total Lunar Eclipse – The entire Moon is covered by Earth’s umbra and turns red or copper-colored (often called a “Blood Moon”).

Interesting Facts:
• A lunar eclipse can last for a few hours.
• Unlike a solar eclipse, a lunar eclipse is safe to watch with the naked eye.
• It happens only during a full moon.
• Different cultures have myths and beliefs about moon grahan. For example, in some traditions, people avoid eating or drinking during the eclipse.

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