NGC 3766 (Wikipedia)

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NGC 3766 (also known as Caldwell 97) is an open star cluster in the southern constellation Centaurus. It is located in the vast star-forming region known as the Carina molecular cloud, and was discovered by Nicolas Louis de Lacaille during his astrometric survey in 1751–1752. At a distance of about 1745 pc, the cluster subtends a diameter of about 12 minutes of arc.

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The Cretaceous (along with the Mesozoic) ended with the Cretaceous–Paleogene extinction event, a large mass extinction in which many groups, including non-avian dinosaurs, pterosaurs, and large marine reptiles, died out, widely thought to have been caused by the impact of a large asteroid that formed the Chicxulub crater in the Gulf of Mexico.

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2024-07-23

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NGC 3766 is relatively young, with an estimated age of log (7.160) or 14.4 million years, and is approaching us at 14.8 km/s.

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https://en.wikipedia.org/wiki/NGC_3766

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NGC 3766