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A Category C solar flare is expected to hit Earth on Thursday

A Category C solar flare is expected to hit Earth on Thursday

Solar winds considered ‘moderate’ may cause the aurora borealis in New York

Solar activities intensify every 11 years (Image: NASA/Disclosure)

It is expected that a huge amount of plasma coming from the sun towards the Earth will hit our planet this Thursday (14/4). The Coronal mass ejectionas the release of plasma and magnetic energy from our star is called, will come from a dying sunspot called AR2987, the British newspaper reports. independent.

Sunspots are cold regions on the surface of the Sun, caused by a strong magnetic field that interferes with the convection process (the exchange of energy between the core and the surface). In the case of AR2987, it caused a solar flare class c (third strongest type) on April 11th.

When it hits the ground, it can cause a geomagnetic storm, although the ejection is only classified as a “medium” effect, says the British newspaper. As a result, on our planet, power systems can encounter voltage alarms, spacecraft can experience towing and it is even possible to see the northern lights in New York (USA).

It should be noted that the Sun is currently experiencing an increase in its activity as part of its 11-year solar cycle and is defined by eruptions and explosions of radiation. The number of sunspots is increasing during the current cycle and is expected to peak in 2025.

Although the solar storm on Thursday (4/14) was relatively minor, the risks of a larger storm that could hit Earth are not excluded, the Independent warns. One Study 2021 presented at SIGCOMM مؤتمر Conference He suggested that a powerful solar storm, which occurs on average every 100 years, could cause an “internet apocalypse”.

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Earth’s magnetic field normally prevents solar winds from coronal mass ejections from interfering with the planet, but once in a century the strongest radiation appears as part of our star’s life cycle and can cause significant interference with services. Telecommunication, including the boycott of the Internet for months.

This is because the most powerful solar storms can “invade” and damage transmission cables. “Existing long-range fiber-optic internet cables are immune to solar wind. But these cables also contain electrical repeaters at intervals of approximately 100 km and are prone to damage”, comments researcher Sangeetha Abdu Jyothi, from University of Californiain the United States, in an interview with The Independent.