Observations of two faint galaxies with a low abundance of elements heavier than helium show that the galaxies have an efficiency of star formation less than one-tenth of that of the Milky Way and similar galaxies. See Letter p.335
References
Shi, Y. et al. Nature 514, 335–338 (2014).
van der Kruit, P. C. & Freeman, K. C. Annu. Rev. Astron. Astrophys. 49, 301–371 (2011).
McKee, C. F. & Ostriker, E. C. Annu. Rev. Astron. Astrophys. 45, 565–687 (2007).
Filho, M. E. et al. Astron. Astrophys. 558, 18 (2013).
Karachentsev, I. D., Karachentseva, V. E., Huchtmeier, W. K. & Makarov, D. I. Astron. J. 127, 2031–2068 (2004).
Kniazev, A. Y. et al. Astron. J. 130, 1558–1573 (2005).
Bergvall, N. & Rönnback, J. Mon. Not. R. Astron. Soc. 273, 603–614 (1995).
Elmegreen, B. G. et al. Nature 495, 487–489 (2013).
Ott, J. et al. Astron. J. 144, 123 (2012).
Peters, S. P. C. et al. Preprint at http://arxiv.org/abs/1303.2463 (2013).
Ostriker, E. C., McKee, C. F. & Leroy, A. K. Astrophys. J. 721, 975–994 (2010).
Krumholz, M. R. Mon. Not. R. Astron. Soc. 436, 2747–2762 (2013).
Hand, E. Nature 495, 156–159 (2013).
Mannucci, F. et al. Mon. Not. R. Astron. Soc. 398, 1915–1931 (2009).
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Elmegreen, B. How tiny galaxies form stars. Nature 514, 310–311 (2014). https://doi.org/10.1038/514310a
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DOI: https://doi.org/10.1038/514310a
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