June 26, 2022

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Traces of an ancient solar storm are causing scientists concern

Our star was full of surprises. Although large solar flares are thought to occur during intense solar activity, recent findings show that this is not always the case. About 9,200 years ago, a huge solar “tsunami” erupted when its activity was low. Scientific warning statements.

This important event left traces buried beneath the glaciers of Greenland and Antarctica: radioactive isotopes of beryllium-10 and chlorine-36. The latter is produced by the arrival of significant From high energy cosmic particles Pumped from the sun to the earth. By analyzing these clues, researchers at the University of Lund in Sweden were able to date and estimate the severity of the storm. What they found did not guarantee them.

Their analysis showed A major solar “tsunami”, much larger than anything recorded in recent history, struck the Earth’s atmosphere about 9,200 years ago. A period that completely disrupts our knowledge of these volcanic eruptions is one of our star’s least active.

Why is this finding worrying scientists? Although the latter did not yet understand how to predict these catastrophic events, they thought they occurred during intense activity of the sun. This finding shows that large explosions can actually occur at any time, making them even more unpredictable and dangerous.

This type of storm cannot be taken lightly. According to the authors of the article, they are a real threat to our community, highlighting the need to better predict them in order to protect themselves from them. Global power and internet blackout, disrupted satellites, communications collapse: one of them would be multiple scenarios if it hit Earth today.

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For now, such an event serves as a benchmark: an event called Carrington, Happened in 1859, Live Science Report. Then, the telegraph wires caught fire. Near the house, in March 1989, another solar flare It sank six million cubes in nine hours In the dark and cold. It promises.

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