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Double solar eclipse causes radio signal suppression over Asia and Australia

2 months ago
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Double solar eclipse causes radio signal suppression over Asia and Australia

On April 25, a sunspot caused a double eruption in the sun, which caused some suppression of radio signals over Asia and Australia.

According to spaceweather.com, a sunspot called AR2993 ignited two M1 ignitions in a row. Solar ignitions are eruptions of electromagnetic radiation; M-class inflammations are medium-sized inflammations that can disrupt some of the radio frequencies and sometimes even expose astronauts in space to higher levels of radiation than usual.

Sunspot AR2993 is medium-sized, but as Dean Pensell, NASA’s solar physicist, explains, its area is hundreds of millions of square miles — in this active region, the Earth would be like an egg nest.

Sunspots are regions of the sun in which the magnetic field is temporarily much stronger than in the surrounding area. These magnetic forces block the flow of hot gases from the solar system and, as a result, the sunspots are much colder in the surrounding environment. Solar flares occur when magnetic field lines explode near sunspots.

Occasionally, these radiation eruptions also cause coronal mass eruptions, which are explosions of solar plasma.

The past few weeks have been very active for the sun, with several active spots causing inflammation. Solar activity is characterized by 11-year cycles, which have been recorded since 1775. The sun is currently in its 25th cycle and there is a period of activity growth.

Scientists predict that the 25th cycle will reach its peak in late 2024 or early 2025, which means that the frequency of sunspots, inflammations and coronal mass eruptions will increase.

It is expected that some of these inflammations and eruptions of the coronal mass will be more effective than a double eruption of a medium-sized M1. On April 19 and 20, another spot, called AR2992, erupted with the most powerful X-Class ignition.

X-inflammations are 10 times more powerful than M-classes and can cause radiation storms that damage artificial satellites, radiocommunications, and even electrical systems on Earth. Fortunately, the earth could not be fully hit in last week’s X-ignition area because this spot was not aimed directly at us.

Large eruptions and eruptions of the coronal mass can also produce glorious ridges at the North and South Poles. Particles from the sun interact with the earth’s magnetic field, exciting air molecules in the upper atmosphere and emitting light photons. The result is a beautiful sight – a polar bear.

 

Prepared according to Live Science.

 

See also: Watch: A giant “fiery canyon” opens on the surface of the sun

Tags: Double solar eclipseDouble solar eclipse causes radio signal suppression over Asia and AustraliaNASA's solar physicist
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