Eclipse

Eclipse is formed when the three bodies – sun, earth and the moon are in straight line during the movement of the earth. The moon revolves around the earth once in every twenty-eight days (a month), the earth and the moon travel together, making a complete movement around the sun once in a year. During this movement, there will be a time when these three bodies (earth, sun and moon) will be in straight line. When this occurs, the light from the sun is obscured from reaching either the earth or the moon. This phenomenon is known as an eclipse.

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Types of eclipse

There are two types of eclipse. These are:

  • Eclipse of the moon (Lunar eclipse)

This occurs when the earth comes in-between the moon and the sun. the earth, being larger than the moon can completely obscure or cover the sun’s light from reaching the moon. This condition is known as eclipse of the moon or lunar eclipse. This type of eclipse can lead to full darkness of the moon described as total or annular type of eclipse.

  • Eclipse of the sun (solar eclipse)

This occurs when the moon comes in-between the sun and the earth in a perfect straight line. The moon is capable of blocking the light from the sun. The moon then casts its shadow of darkness on the earth. This condition is known as the eclipse of the sun or solar eclipse. This type of eclipse can lead to partial darkness of the earth called partial eclipse.

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Quick Facts

Eclipse is described as total eclipse if the body, e.g. moon is completely covered or shaded from the sun by the earth.

Eclipse is described as partial eclipse if the body e.g. earth is half covered or shaded from the sun by the moon.

Eclipse is also described as annular eclipse if the body, e.g. earth is covered at center with darkness while the outer part is not.