December 3, 2023

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How long will the new supernova visible in the night sky last?

If you don’t have the chance to spot a new supernova explosion in the night sky, don’t worry — it should last for another year, maybe more. And it won’t disappear quickly — scientists expect it will fade slowly until it can no longer be seen in visible light.

The new supernova made its first appearance on May 19 when supernova hunter Koichi Itagaki of Yamagata, Japan detected a new bright spot in the Pinwheel galaxy. The supernova was confirmed the next day by the Zwicky Transit Facility (ZTF) in California.