The second day after we witnessed a natural phenomenon in our latitudes – a red sky glow, in the public space the questions remain: What caused the phenomenon over Bulgaria?
Additional interest in the topic was caused by the information that appeared that together with the magnetic storm on Sunday evening, there was an experiment of the famous HAARP program – specifically to study the aurora borealis.
Glare from a massive fire, natural disaster or unusual colored aurora borealis? As the questions circulate on social media, science provides an answer. “What we saw was definitely an aurora – the so-called ‘Aurora’, which happens whenever there is a solar flare and the stream of charged particles is strong enough to reach the ground. Then it electrifies the air and becomes they get such light rays,” said Prof. Petya Trifonova, a geophysicist from the Institute of Geophysics at the Bulgarian Academy of Sciences.
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A phenomenon common around the poles, where particles react with nitrogen in the air up to 200 km above the earth’s surface, turning the sky green. However, the red color that colored the Bulgarian sky on Sunday evening is due to a collision at twice the height – nearly 400 kilometers above the Earth. “I simply never dreamed of seeing such a thing in Bulgaria. For me, this is extremely surprising,” added Trifonova.
The red lights on Sunday evening were observed not only in our country, but also in several European countries. And even much further – in China. “We saw a red glow in the sky – the phenomenon lasted for about half an hour. And just when we thought it was over, the glow suddenly turned green. We all took out our phones and recorded the moment,” said Zhang Yangzhi, a tourist in Mohe, China.
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Back home, together with Prof. Trifonova, we check the strength of the magnetic storm on November 5. She explains that only an extremely powerful solar flare can cause this natural phenomenon. “Here is the strongest degree since November 5 – it is 7, between 5 and 8 p.m. Bulgarian time,” Trifonova pointed out.
However, the seventh degree according to the nine-dimensional system is not a reason to observe the aurora in the sky, the geophysicist specifies. “And then I came across information that at the same time – the period between November 4 and 7, a very interesting experiment is being planned to simulate such auroral lights,” said the associate professor.
The experiment is the work of the globally known HAARP, or in translation “Program for High Frequency Active Aurora Research.” The project is funded by the United States Geophysical Institute, and facilities located in Alaska emit pulses into the atmosphere and induce aurora to study it. “They wrote that 500 km is the limit distance from which it will be possible to observe,” she said.
Conclusions – Neither the magnetic storm nor the HAARP expertise is sufficient for such an aurora. But whether the superimposition of the two factors can lead to such a phenomenon remains an unanswered question.
2023-11-07 17:30:20
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