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Ancient Chinese texts reveal earliest known record of candidate aurora

Seventh Day of Christmas —

Paragraph description from Bamboo Almanac The “five-color light” of the 10th century BC.

Jennifer Ouellette – December 31, 2022 at 11:09 PM UTC

enlarge/ Aurora displays on the snowy mountains of Hangzhou, China.
Mingsun Liu/EyeEm/Getty ImagesVariant fragments of the <em></figcaption>rare Time to write about every cool science story we come across. So this year, we’re back with a special Twelve Days of Christmas series of posts highlighting a science story that fell through in 2022, every day from December 25th to January 5th. Today: A new analysis of ancient Chinese texts reveals the earliest candidate aurora ever discovered, predating the next-oldest aurora by three centuries.  </section><figcaption> According to the April issue of Advances in Space Research , a pair of researchers found the earliest description of a candidate aurora in ancient Chinese texts. The author puts the likely date of the event at 977 or 957 BC. The next earliest description of a candidate aurora was found three centuries later on Assyrian cuneiform tablets between 679-655 BC.  </section>
<p> <span> As we previously reported, the so-called The spectacular kaleidoscopic effect of the northern lights (or southern lights, if they are in the southern hemisphere) is the result of charged particles from the sun being dumped into the Earth’s magnetosphere, where they collide with oxygen and nitrogen molecules — a process that excites these molecules and Interactions that make them glow. Auroras usually appear as shimmering ribbons in the sky with shades of green, purple, blue and yellow.  </section>
<p> <span> There are different kinds of aurora displays, Examples include the ” diffuse aurora faint glow near the horizon rare and displays auroral arc most intense of its kind visible in sky as shimmering undulating light curtains appear. discrete arcs can be so bright that newspapers read by their light. this was case august september when a large geomagnetic storm occurred largest card ever linton event produced dazzling auroras united states europe japan australia.> </figcaption><em>Bamboo Weaving Yearbook</em> is an ancient Chinese chronicle written on bamboo slips, starting from the time of the Yellow Emperor and running through The so-called Warring States period (5th century BC to 221 BC) engaged in fierce competition. It ended when the Qin State unified the princes. <em> The original text of Bamboo Book </em> and King Wei Xiang, who died in 296 BC, was buried with him, and was not discovered until 281 AD, thus surviving Qin Shihuang’s book burning in 212 BC (not to mention hundreds of Confucian scholars buried alive). <img decoding= Bamboo Yearbook.” data-height=”819″ data-width=” 1200″ href=” /2022/04/aurora1.jpg”>Variant fragments of the <em> Bamboo Weaving Yearbook. ” height=”437″ src=”×437.jpg” width=”640″><span><figcaption>enlarge<span>/</span> <em>Variant snippet of Bamboo Annals<em>.</p>
<p>MA van der Sluijs & H. Hayakawa, 2022</p>
<p></em></em></figcaption> </span></figcaption></span></p>
<p> The original text contains 13 volumes, during the Song Dynasty (960-1279 AD) Lost. <em> Two editions of the Bamboo Annals </em> still exist. One is called the “Current Text” and consists of two scrolls printed in the late 16th century. Many scholars believe that the text is a forgery because of the many differences between its text and parts of the original text quoted in older books, although some scholars believe that some parts may be faithful to the original text.Another version, called the “ancient text”, was obtained by studying A patchwork of parts quoted from the above mentioned older books, especially two dating from the beginning of the 8th century AD.  </p>
<p> Marinus Anthony van der Sluijs and Hisashi Hayakawa, independent researchers at Nagoya University, relied on ancient texts for their new analysis of the study. This text describes the last years of King Zhou Zhao “Five-colored lights” that appear in the night sky. Aurora are often only visible in the polar regions because the particles fan out from near the poles along the Earth’s magnetic field lines. But powerful geomagnetic storms can cause the auroral ellipse to expand to lower latitudes, usually Accompanied by colorful lights.According to the author, in the 10th century BC, Earth’s North Magnetic Pole was about 15 degrees closer to central China than it is today, so people there likely witnessed such a phenomenon. <span> While this is technically an unproven Selecting the aurora, “explicitly mentions that nocturnal observations exclude the manifest optics of the daytime atmosphere, which sometimes mimics candidate events,” the authors wrote. Furthermore, “the multicolored appearance of the northern skies at night is consistent with visual auroral displays at mid-latitudes.” According to van der Sluijs and Hayakawa, a 16th-century translation of the relevant passage from the current text describes the event as a “comet,” whereas Not “five-color lights”, which is why the candidate aurora was not identified until now.  </p>
<p> DOI: Advances in Space Research, 2022. 10.1016/j.asr.2022.01.010 (About DOI).   </p>
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