Science

Evidence of Enormous, 2600-Year-Old Solar Storm Found in Greenland

Evidence of Enormous, 2600-Year-Old Solar Storm Found in Greenland”

'That's why we must increase society's protection against solar storms, ' said Prof Muscheler. But this event almost 2,700 years ago appears to have been more than 10 times stronger than any storm we've detected in the last 70 years. Solar storms consist of high energy particles released from the Sun by flare up on the star's surface.

Presently an enlarged amount of research portrays that solar storm can be even more robust than measurements have portrayed till now through undeviating inspection. The upshot is that these heavy storms are occurring more regularly than we thought they were, and can be more powerful than anything we've seen in the modern era, and that affects contingency planning.

Evidence of solar storms hitting Earth in the past can be found in ice cores-samples of ice that formed over the past 100,000 years. For example, in 1989, a solar outburst blacked out the entire Canadian province of Quebec within seconds, damaging transformers as far away as New Jersey, and almost shutting down US power grids from the mid-Atlantic through the Pacific Northwest.

The new study means that a third known case of a massive solar storm dating back in time has been discovered via indirect observations in nature's own archive.

The researchers believe at least 10 billion protons per square centimeter were unleashed into the atmosphere from the event.

Previous research found that extreme proton storms can generate radioactive atoms of beryllium-10, chlorine-36 and carbon-14 in the atmosphere. Spikes in beryllium and chlorine isotopes indicated that, during the seventh century BCE, the world was rocked by a storm that might be among the strongest ever recorded.

Professor Raimund Muscheler from Lund University and his colleagues from Korea, Sweden, United Arab Emirates, Switzerland, the United States, and France analyzed ice cores from Greenland in order to learn more about SPEs.

"There are high-energy solar energetic particle events, or solar proton events", Muscheler told Paul Rincon at BBC News. The other two solar protonic events took place in 775 CE and 994 CE. A new study has made a decision to analyze ice cores (samples of ice which are recovered from glaciers and zones where the ice is ancient) as they aimed to learn more about the phenomenon and how it can influence the world. "We just looked at the last 3,000 years, and we certainly can get good enough data for the past 12,000 years".

If you want to find out more about this topic, you can search online for the Proceedings of the National Academy of Sciences, and you will find the topic there. "The challenge will be to find the smaller ones that probably still exceed anything we measured in recent decades".



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