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    A solar eclipse takes place when the Moon moves between the Sun and the Earth, blocking out the Sun's rays and casting a shadow on parts of the Earth.
    How does solar eclipse occur?
    For a solar eclipse to take place, the Sun, the Moon, and the Earth must be aligned in a perfect or near-perfect straight line – an alignment astronomers call syzygy. This happens around new Moon every lunar month.
    Types of solar eclipse
    There are four types of solar eclipses. How much of the Sun's disk is eclipsed – the eclipse magnitude – depends on which part of the Moon's shadow falls on the Earth.
    A partial solar eclipse occurs when the Moon only partially obscures the Sun's disk and casts only its penumbra on the Earth.
    An annular solar eclipse takes place when the Moon's disk is not big enough to cover the entire disk of the Sun, and the Sun's outer edges remain visible to form a ring of fire in the sky. An annular eclipse of the Sun takes place when the Moon is near apogee, and the Moon's antumbra falls on the Earth.
    A total solar eclipse happens when the Moon completely covers the Sun. It can take place only when the Moon is near perigee, the point of the Moon's orbit closest to the Earth. You can see a total solar eclipse only if you are in the path where the Moon casts its darkest shadow, the umbra.
    A hybrid solar eclipse, also known as an annular-total eclipse, is the rarest type. It occurs when the same eclipse changes from an annular to a total solar eclipse, and/or vice versa, along the eclipse's path.
    When is the next solar eclipse?
    June 21, 2020: Solar Eclipse (Annular) in South/East Europe, Much of Asia, North in Australia, Much of Africa, Pacific, Indian Ocean
    December 14, 2020: Solar Eclipse (Total) in southern parts of Africa, much of South America, Pacific, Atlantic, Indian Ocean, Antarctica
    June 10, 2021: Solar Eclipse (Annular) in much of Europe and Asia, North/West Africa, Much of North America, Atlantic, Arctic
    December 4, 2021: Solar Eclipse (Total) in South Australia, southern Africa, South in South America, Pacific, Atlantic, Indian Ocean, Antarctica
    April 30, 2022: Solar Eclipse (Partial) in South/West South America, Pacific, Atlantic, Antarctica
    How to see solar eclipse?
    Never look directly at the Sun, eclipsed or otherwise, without any protective eyewear. The Sun’s UV radiation can burn the retinas in your eyes leading to their permanent damage or even blindness.
    The best way to safely watch a total solar eclipse is to wear protective eclipse glasses or to project an image of the eclipsed Sun using a pinhole projector.
    Difference between solar eclipse and lunar eclipse
    A lunar eclipse occurs when the Earth passes between the Moon and the Sun, and the Earth's shadow obscures the Moon or a portion of it. A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking all or a portion of the Sun.