Astronomers Solve 1400-Year-Old Japanese Mystery of “Red Sign” in the Sky interestingengineering.com

It was a night in 7th century Japan when a red, flaming light darted across the sky.
Now with modern science, we know better than to fear it.
Back then Japan’s magnetic latitude would have been 33 degrees, while now, Japan’s magnetic latitude is 25 degrees.
The study shows, "Recent findings have shown that auroras can be 'pheasant tail' shaped specifically during great magnetic storms.
Researchers hope to apply modern science to other mysterious aspects of world history that puzzled humanity once.