Astonishing Effects Of Solar Eclipse On Earth That You Need To Know

Oluniyi Akande
Nov 01, 2023 By Oluniyi Akande
Originally Published on Dec 26, 2021
Everyone must know about the effects of the solar eclipse on Earth.
Age: 3-18
Read time: 8.0 Min

A solar eclipse is a breathtaking sight and a mystical astronomical event that amuses millions of spectators.

A solar eclipse appears when the Moon moves between Earth and the Sun in a rare occurrence, casting a shadow on the Earth. The Babylonians were the first to use the saros cycle to forecast earlier eclipses.

A solar eclipse could occur during most of the new moon stage, when the Moon passes directly between the Sun and the Earth, throwing its shadow only on a particular area of the planet. It is only through an accidental incidence of celestial mechanics and time that an eclipse can happen at all. And when it happens, the temperature plummets for the portion of the Earth engulfed by the Moon's shadow.

The Moon has been progressively moving away from the Earth since its formation some 4.5 billion years ago, by about 1.6 in (4 cm) per year. The Moon is currently at the ideal distance to appear in our sky as the exact same size as the Sun and hence block it out. This isn't always the case, though.

If you like this article about the solar eclipse, you may find it interesting to read these articles: 1979 total eclipse, and solar and lunar eclipses are rare because here at Kidadl.

Solar Eclipse Formation

A solar eclipse occurs when the Moon throws a shadow over a portion of the Earth, fully or partially obscuring sunlight.

This occurs when the Earth, the Sun, and the Moon are all aligned. When such an alignment happens, the New Moon occurs (syzygy), indicating that now the Moon is nearest to the ecliptic plane. The Moon completely obscures the Sun's disc (and, of course, the Sun's light and warmth too) during a total eclipse. Only a part of the Sun is veiled in partial eclipses and annular eclipses.

Whenever the New Moon passes between the Earth and the Sun, it blocks out the Sun's rays and casts a shadow over regions of the Earth. Because, owing to its size, the Moon's shadow cannot possibly cover the entire Earth, it is always restricted to a certain area.

Because the Earth and the Moon are in fixed motion during the eclipse, this region varies. The Earth keeps rotating on its axis while also continuously orbiting the Sun; on the other hand, the Moon circles the Earth. This is why you might have observed that solar eclipses move from one place to the next.

Total Solar Eclipse

Total solar eclipses take place when the new moon passes between the Sun and the Earth, casting the umbra, or darkness of the shadow, on the Earth. The Moon totally hides the Sun's disc during a total solar eclipse. In partial and annular solar eclipses, only a portion of the Sun is blocked by the Moon.

Total solar eclipses are a fortunate natural occurrence. The diameter of the Sun, at 864,000 mi (1,390,473 km), is 400 times that of our little Moon, which is just 2,160 mi (3,476 km) in diameter. However, because the Moon is also 400 times closer to Earth than the Sun (the ratio changes because both orbits are elliptical), the New Moon can appear to entirely wipe out the Sun's disc when the orbital planes overlap, and the distances coincide favorably. Every 18 months or so, a complete eclipse happens somewhere on the planet.

If indeed the Moon were in a fully circular rotation, somewhat nearer to the Earth and in the same planet's orbit as the Earth, total solar eclipses would take place every new moon.

On the other hand, the Moon's orbit is inclined at a greater than five-degree angle to the Earth's route around the Sun. Thus, its shadow frequently misses the Earth. A solar eclipse may only happen during a new moon when the Moon is sufficiently close to the ecliptic plane. Since the Moon's orbit intersects the ecliptic at orbital nodes twice each draconic month (27.21days), and a new moon only happens once per synodic month, certain conditions must be met for the two events to arise at the same time (29.53 days).

The Moon throws its umbra on Earth's surface during a complete solar eclipse, and that shadow may traverse a third of the way around the globe in only a few hours. Those who are lucky enough to be in the umbra's direct path will watch the Sun's disc shrink into a crescent as the Moon's black shadow sweeps toward them. The umbra is the region of the shadow where all sunlight is shut out, and there are two sorts of shadows. The umbra has the form of a narrow, black cone. The penumbra, a lighter, funnel-shaped shadow from which sunlight is partially hidden, surrounds it.

The gorgeous corona (the fragile outer atmosphere of the Sun) is seen during that brief moment of total solar eclipse when the Sun is entirely shrouded. Although totality may last up to 451 seconds, most complete eclipses are substantially shorter.

One of the great scientists, Sir Arthur Eddington, took a voyage to the island of Principe, off the west coast of Africa, in 1919. He observed a complete solar eclipse, which helped to establish Einstein's general theory of relativity.

NASA scientists have worked to create and contribute to the database of knowledge we have about eclipses.

Annular Solar Eclipse

An annular solar eclipse happens whenever the Moon seems young and close to being at the lunar node. During this eclipse, the Moon generally travels far away from the Earth, approaching a position known as the Moon's apogee. At the same time, the Sun, the Earth, and the New Moon all align in an almost straight line. As a consequence, a portion of the Earth gets immersed in the Moon's shadow.

During an annular solar eclipse, the Moon partly blocks sunlight from entering the Earth. This occurs when the distance between Moon and the Earth is large. The Moon seems small due to the considerable distance and hence does not entirely conceal the Sun. As a result, the Moon then appears as a little black disk on top of a large sun-colored disc. As a result, the Moon seems to have a ring around it.

A partial solar eclipse begins at an annular solar eclipse's first point of contact. The dark image of the Moon begins to show on the Sun's disc. As a consequence, the Sun's image shifts, making it look as though a section of it has been cut out.

The annularity begins at the annular eclipse's second stage of contact. A fire ring surrounding the Moon begins to show. If you look attentively throughout this stage, you may notice splashes of light around the edges of the Moon's dark image.

The maximal eclipse stage is the third. The Moon obscures the Sun disc's center at this point. During the third stage of the contact stage, the annular eclipse ends as even the Moon starts to rotate away from the Sun's alignment.

During the fourth stage of contact, a partial solar eclipse ends when the Moon draws entirely aside from the Sun's disc entirely.

Interesting Facts On Effects Of Solar Eclipse On The Earth

Here are some more seriously fascinating facts about the impact solar eclipses have on the Earth, be it a complete or partial eclipse.

Although eclipses are natural occurrences, the radiation generated by the mystical event may have some harmful effects on your health. Some of the health implications of the radiation from the eclipse effects have been listed by many doctors as including injury to the eye.

They say observing the eclipse with your naked eye might cause retinal damage and possibly permanent damage to eyesight. It can lead to a disorder known as solar retinopathy, which causes severe eye damage. For a direct view of the Sun without eye damage, you can utilize solar viewers (solar eclipse glasses). Solar eclipse glasses are necessary for the safe observation of solar phenomena such as eclipses.

You may safely see the complete eclipse once Baily's Beads have vanished, but there is no more direct sunlight streaming toward you. However, you must remain careful to ensure that your eyes are once again protected before the conclusion of totality. In certain places, the complete eclipse may last a minute or two, barely.

From the North and South Poles, the total solar eclipses are not visible.

Every 18 years and 11 months, two almost identical solar eclipses occur.

Each year, two to five solar eclipses can occur depending on the geometry of the Sun, Moon, and Earth.

A total solar eclipse occurs once every couple of years. As a result, they are considered unusual occurrences.

The path of totality is around 100 mi (160 km) wide and may cover an area of the Earth's surface that is about 10,000 mi (16,093 km) long.

If any planets are visible in the sky during a total solar eclipse, they will be visible as points of light.

The complete solar eclipse on August 21, 2017, was the first in the continental United States in 38 years. The most recent until then was on February 26, 1979.

On the new moon, there is a solar eclipse. When the Moon is situated exactly between the Sun and the Earth, it is called a 'new moon'. The only lunar phase during which this occurs is the new moon.

Here at Kidadl, we have carefully created lots of interesting family-friendly facts for everyone to enjoy! If you liked our suggestions for the astonishing effects of solar eclipse on Earth that you need to know, then why not take a look at eclipses or eclipse '70s USA.

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Written by Oluniyi Akande

Doctorate specializing in Veterinary Medicine

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Oluniyi AkandeDoctorate specializing in Veterinary Medicine

With an accomplished background as a Veterinarian, SEO content writer, and public speaker, Oluniyi brings a wealth of skills and experience to his work. Holding a Doctor of Veterinary Medicine degree from the University of Ibadan, he provides exceptional consulting services to pet owners, animal farms, and agricultural establishments. Oluniyi's impressive writing career spans over five years, during which he has produced over 5000 high-quality short- and long-form pieces of content. His versatility shines through as he tackles a diverse array of topics, including pets, real estate, sports, games, technology, landscaping, healthcare, cosmetics, personal loans, debt management, construction, and agriculture.

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