सूर्य ग्रहण || Solar Eclipse 21 June 2020 || News In Science

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सूर्य ग्रहण || Annular Solar Eclipse 21 June 2020 || News In Science
A solar eclipse is one of the most spectacular celestial phenomena.

It occurs when the Moon passes between the Earth and the Sun. In this phenomenon, the Moon obstructs the light of the sun to reach the earth and for some time the sun completely hides behind the moon and the earth is covered with darkness, it is called a total solar eclipse.

The eclipses are classified as:
Partial eclipse: When the Moon only partially obstructs the Sun,
Central eclipse: When the Moon maximally obstructs the Sun,
Total eclipse: When the Moon completely obstructs the Sun, and
Annular eclipse: When a thin ring of the Sun's disc is not covered by the Moon.

An annular solar eclipse will occur on 26-Dec-2019. This time the eclipse will not be a total solar eclipse. It will be an annular eclipse.

The Moon rotates in a long oval orbit around the Earth, due to which the distance of the Moon from the Earth varies. When the moon is close to the earth, the moon looks big in size and it covers the sun completely on the new moon day. But when the moon is at maximum distance from the Earth, then it appears small to us and if the eclipse occurs on that moon day, then the moon does not cover the sun completely. In an annular solar eclipse, the angular diameter or apparent diameter is smaller than the sun's blocking most of the Sun's light. On June 21, 2020, we will see a similar solar eclipse.

#solar #eclipse #2020

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