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Dust-poor galaxies at early times

Observations of galaxies that formed early in the Universe's history reveal much lower dust levels than are found in sources from a slightly later era. It seems that galaxies underwent rapid change during a relatively short period. See Letter p.455

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Figure 1: The Atacama Large Millimetre Array (ALMA).

ESO/C. Malin


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Correspondence to Veronique Buat.

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Buat, V. Dust-poor galaxies at early times. Nature 522, 422–423 (2015).

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