Andromeda Galaxy: Extension of the 610.5-Megacyle-per-Second Map

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Science  12 Nov 1965:
Vol. 150, Issue 3698, pp. 883-884
DOI: 10.1126/science.150.3698.883


A radio map of the Andromeda galaxy, M 31, made with the 400-foot (122 m) radio telescope at the University of Illinois has been extended northward to cover the full optical extent of the galaxy. Several condensations of radio emission appear along the major axis of the galaxy, and other radio features are resolved.