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Astronomy

Unlocking the secrets of the giant blobs

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Polarized emission has been detected from the largest Lyman-α gas cloud, known as blob 1. This result strongly suggests that such clouds are powered by a central source of ionizing radiation. See Letter p.304

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Figure 1: Polarized emission from Lyman-α blobs.

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Correspondence to Richard Bower.

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Bower, R. Unlocking the secrets of the giant blobs. Nature 476, 288–289 (2011). https://doi.org/10.1038/476288a

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