Scientists Trace Rare Cosmic Outburst to a Massive Planetary Collision Around Gaia20ehk

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Astronomers have reported evidence of two planets colliding around a distant Sun-like star, Gaia20ehk, located about 11,000 light-years away. The star's light output remained steady until 2016, when it exhibited three minor dimming events; by 2021, the light curve reportedly "went completely bonkers." Follow-up infrared observations revealed a burst of heat coinciding with the fading of visible light, a hallmark of a hot debris cloud resulting from a massive impact.

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