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The Trapezium Cluster, is a tightly packed cluster of stars in the heart of the Orion Nebula, in the constellation of Orion. It was discovered by Galileo Galilei in 1617.This particular image highlights the ridge created at the “Bright Bar” of the Orion Nebula, as the intense UV-light and strong winds from the hot Trapezium stars eat their way into the surrounding molecular cloud.

(Image Credit: ESO/M.McCaughrean et al.)

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