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RCW 86: Historical Supernova Remnant

By iftttauthorways4eu on Fri Mar 03 2023

In 185 AD, Chinese astronomers recorded the appearance of a new star in the Nanmen asterism. That part of the sky is identified with Alpha and Beta Centauri on modern star charts. The new star was visible to the naked-eye for months, and is now thought to be the earliest recorded supernova. This deep telescopic […]

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