News FocusAstronomy

The Tales Told by Lonely Galaxies

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Science  05 Jun 2009:
Vol. 324, Issue 5932, pp. 1262-1263
DOI: 10.1126/science.324_1262a

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To what extent are a galaxy's properties determined by its inner workings or through interactions with its surroundings? To solve that puzzle, some astronomers are searching for rare galaxies well isolated from their neighbors. By comparing these loners to their more-gregarious brethren, researchers hope to tease apart the inherent inner workings of galaxies and the effects of interactions. Last month, 120 researchers gathered in Granada, Spain, to discuss such efforts.