The phenomenon of East Asia sky was red during the 9 days of 1770

Scientists say this phenomenon may be caused by the most powerful attack in history.

In 1770, East Asia region including some countries such as Japan, Korea, Korea and the east coast of China occurred the phenomenon of red dyeing sky lasting for many days, according to Business Insider. Scientists are aware of this phenomenon thanks to some rare records that exist today.

Some countries in East Asia have been in red light for many days.(Photo: Business Insider).

The reason why the sky turns red is still a mystery until modern astronomy develops and understands more. Accordingly, a magnetic storm caused by the Sun's activity may have affected, causing this strange phenomenon.

The new findings show that the phenomenon occurred in 1770 is much larger than what scientists once thought. A research team from Japan found 111 East Asian historical documents indicating that the sky was then dyed red for 9 days, from 10-19 September 1770, not just two days as previously thought. . This may be the longest in history, the airspace affected is twice as large as the original estimate of historians.

The aurora forms because charged particles interact with the Earth's upper atmosphere. When glaring the Sun or a similar phenomenon occurs, the Sun releases charged particles into space. Electric carriers collide and stimulate oxygen and nitrogen in the Earth's atmosphere. When these gases return to their normal state, they release excess energy in the form of colored light.

The aurora may appear in different shapes and colors. Scientists are not sure if the exact factor determines the shape and size of light, but they think they move according to the Earth's magnetic field.

Northern aurora appears in Reykjavik, Iceland in October 2017.(Video: YouTube).

The aurora color depends on the gas that the charged particles collide with, the oxygen is green red and yellow light, meaning that the phenomenon in 1770 can be caused by oxygen. This means that the storm from that year is so strong that it touches the lower atmosphere, where the oxygen is more dense, causing a large area of ​​sky to turn red for many days continuously.

Today, if the same phenomenon repeats, the world could lose trillions of dollars due to the impact of satellites, power systems and communication networks."Modern society is heavily dependent on satellites and large-scale grid systems. If such phenomena happen to the Earth, the consequences could be very bad , " the team said.

NASA and the US National Oceanic and Atmospheric Administration (NOAA) launched the Deep Space Climate Observatory (DSCOVR) satellite into space to study similar phenomena and detect signs if the storm The strong sun appears.