View at EarthSky Community Photos . | Josh Ashley of Amado, Arizona, made this composite image of Geminid meteors captured on December 14, 2022. Has a Geminid meteor mystery been solved? In a NASA blog post on June 14, 2023, Desiree Apodaca at Goddard Space Flight Center in Maryland described new insights about the annual Geminid meteor shower . She wrote it's likely that: … A sudden, powerful event – such as a high-speed collision with another body or a gaseous explosion, among other possibilities – created the Geminid stream.

https://earthsky.org/astronomy-essentials/geminid-meteor-mystery-solved-collision/

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