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"Ring of Fire" Annular Solar Eclipse 2021: Date, Time and Key Facts about Surya Grahan

Shikha Goyal

"Ring of Fire" Annular Solar Eclipse 2021: People across the northern hemisphere will have the chance to experience a rare phenomenon known as the ring of fire eclipse. As we know that solar eclipse happens when the Moon moves between the Sun and the Earth and as a result casts a shadow on Earth either fully or partially blocking the light of the Sun in some areas. 

In an Annular Solar Eclipse, Moon covers the Sun from the centre leaving the outer rim visible that is a ring of light will be visible in the sky.

"Ring of Fire" Annular Solar Eclipse 2021: Date and Time

As discussed the Solar Eclipse will be taking place on 10 June 2021. This event will start around 1:42 pm IST and conclude at 6:41 pm. The celestial event will be an Annular Solar Eclipse that will show a ring of fire during the eclipse.

"Ring of Fire" Annular Solar Eclipse 2021: From where will it be visible?

The "Ring of Fire" Annular Solar Eclipse will be visible in parts of Canada, Greenland, and northern Russia on 10 June 2021. As per NASA, in some places, people will not see this ring around the Moon and so they will experience a partial solar eclipse. This happens when the Sun, Moon, and Earth are not exactly lined up. On 10 June, viewers in parts of the United States and northern Alaska will see a partial solar eclipse along with much of Canada and parts of the Caribbean, Europe, Asia, and northern Africa. 

In India, the Solar Eclipse of 10 June will not be visible in the entire country but from some parts of Ladakh and Arunachal Pradesh, it will be visible.

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What is Solar Eclipse?

Solar Eclipse occurs when the Moon comes in between the Sun and the Earth. As a result, the visible disc of the Sun is partially or fully covered by the Moon. The shadow of the Moon travels over the surface of the Earth and blocks out the Sun's light as seen from the Earth. It is a celestial phenomenon that does not occur very often.


The Moon orbits the Earth at an angle approximately 5 degrees relative to the Earth-Sun plane and it crosses the orbital plane of the Earth only twice a year. These times are known as eclipse seasons because at this time only eclipses occur. For the formation of an eclipse, Moon must be in the correct phase, and that too during an eclipse season. Let us tell you that, for Solar Eclipse, it must be a New Moon. This condition makes solar eclipse relatively rare to occur.

However, viewing the Sun during partial and annular eclipses requires a special type of eye protection or indirect viewing methods.

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How Total Solar Eclipse occurs?
A Total Solar Eclipse occurs when two events at the same time happen.

The first event is the New Moon. At this phase: the Moon occurs when the Sun is almost directly behind the Moon and we see only a sliver of the Sun's light reflected by the Moon. During this time the Moon and the Sun appear close together.

The Second event: Moon must be in the right position, directly in the line of sight between the Earth and the Sun. These two events occur at the same time about once every year and a half.

Types of Solar Eclipse


The shadow of the Moon has two parts: a central region known as the umbra and another region is known as the penumbra. Depending upon which part of the shadow passes, three types of solar eclipses visible to you namely:

- Total Solar Eclipse: In this, the entire central portion of the Sun is blocked out.
- Partial Solar Eclipse: Only a part of the Sun's surface is blocked out.
- Annular Solar Eclipse: Only a small, ring-like silver of light is seen from the Sun's disc.

Let us explain the phenomena:

Source: www.

A Solar Eclipse occurs when the Moon, revolving in its orbit around the Earth, moves across the disk of the Sun and the shadow of the Moon sweeps over the surface of the Earth. Sunlight doesn't penetrate the umbra that is the inner part of the shadow. To the observers on the Earth within the umbra, the disk of the Sun will appear completely covered by that of the Moon, and such type of eclipse is known as Total Solar Eclipse. Because at its intersection with the Earth the umbra is narrow and the Total Solar Eclipse can be observed only within a very narrow area that is the zone of totality. Let us tell you that the totality of the solar eclipse lasts only for a short time. 

To the observers located at the penumbra that is the outer portion of the Moon's shadow, the disk of the Moon will appear to be projected against the Sun so as to overlap it in part. This forms a Partial Solar Eclipse. It happens because the Earth revolves around the Sun in an elliptical orbit and the distance of the Sun changes slightly during the course of a year.

If an eclipse occurs when the Sun is closest to the Earth and the Moon is farthest away then the Moon will not be able to cover the Sun and leave the rim of the latter all around it. This is known as an Annular Solar Eclipse. A small, ring-like silver of light is seen from the Sun's disc.

So, now you may have understood the phenomena of Solar Eclipse, its types, and how it occurs?

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