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What is Annular Solar Eclipse?

Posted on : 31 Jan 2020

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  • An eclipse happens when the moon while orbiting the Earth, comes in between the sun and the Earth, due to which the moon blocks the sun’s light from reaching the Earth, causing an eclipse of the sun or a solar eclipse.
  • It was visible from India, Saudi Arabia, Qatar, Malaysia, Oman, Singapore, Sri Lanka, Mariana Islands and Borneo among a few other places.
  • There are three types of eclipses: one is a total solar eclipse, which is visible only from a small area on Earth.
  • People who are able to view the total solar eclipse are in the centre of the moon’s shadow as and when it hits the Earth.
  • A total solar eclipse happens when the sun, moon and Earth are in a direct line.
  • The second type of a solar eclipse is a partial solar, in which the shadow of the moon appears on a small part of the sun.
  • The third kind is an annular solar eclipse, which happens when the moon is farthest from the Earth, which is why it seems smaller.
  • In this type of an eclipse, the moon does not block the sun completely, but looks like a “dark disk on top of a larger sun-colored disk” forming a “ring of fire”.
  • Furthermore, during a solar eclipse the moon casts two shadows on the Earth, the first one is called the umbra, which gets smaller as it reaches the Earth.
  • The second one is called the penumbra, which gets larger as it reaches the Earth.
  • According to NASA, people standing in the umbra see a total eclipse and those standing in the penumbra see a partial eclipse.
  • One of the reasons that NASA studies solar eclipses is to study the top layer of the sun called the corona.
  • During an annular eclipse, NASA uses ground and space instruments to view this top layer when the sun’s glare is blocked by the moon.
  • Some of the areas in India from where the annular solar eclipse can be viewed include Kannur, Ooty, Palakkad, Kozhikode, Erode Trichy, Madurai and Karaikudi among a few others.

Article Related Questions

  1. Consider the following statements regarding Annular Solar Eclipse
    1.An eclipse happens when the moon while orbiting the Earth, comes in between the sun and the Earth.
    2.Solar eclipses can be used to study the top layer of the sun called the corona.
    Which of the following statement is/are correct?

  2. 1.1 only

    2.2 only

    3.Both 1 and 2

    4.Neither 1 nor 2

    Right Ans : Both 1 and 2

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