![]() ![]() In particular, the metallicity (the amount of heavy elements relative to lighter elements) gives an indication of how stars are assembled within galaxies, how stars enrich their surroundings, and, in turn, how the surrounding environment impacts star formation. These properties can be used to unravel the history of star formation across the Universe. ![]() When studying galaxies, some of the key properties that help astronomers understand the inner workings of these cosmic giants include their temperature, density, and metallicity. ![]() Title: Accurate oxygen abundance of interstellar gas in Mrk 71 from optical and infrared spectraĪuthors: Yuguang Chen, Tucker Jones, Ryan Sanders, Dario Fadda, Jessica Sutter, Robert Minchin, Erin Huntzinger, Peter Senchyna, Daniel Stark, Justin Spilker, Benjamin Weiner and Guido Roberts-Borsaniįirst Author’s Institution: Department of Physics & Astronomy, University of California ![]()
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