International study suggests a massive black hole exists in the Sword of Orion

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Date: 2015-04-12 07:11:09 Messier objects NGC objects Orion complex Orion constellation Orion Nebula Star cluster Star Trapezium Cluster Nebula Astronomy Space Stellar astronomy		International study suggests a massive black hole exists in the Sword of Orion Add to Reading List Source URL: phys.org Download Document from Source Website File Size: 56,21 KB Share Document on Facebook

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