人馬座B2

外部連結
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• [https://scitechdaily.com/how-did-organic-matter-reach-earth-cosmic-detectives-trace-origin-of-complex-organic-molecules/ How Did Organic Matter Reach Earth? Cosmic Detectives Trace Origin of Complex Organic Molecules] , on: SciTechDaily. September 10, 2020. Source: Tokyo University of Science: Acetonitrile found in molecular cloud Sgr B2(M) at the center of our galaxy.