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Escaping photons finally arrested

A starburst galaxy from the peak epoch of cosmic star-formation history is found to have a significant ionizing ultraviolet emission. This finding will help better constrain the process of reionization in the early Universe.

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Fig. 1: An illustration of the journey of escaping ionizing ultraviolet emission from stars to telescopes.


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Correspondence to Anahita Alavi.

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The author declares no competing financial interests.

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Alavi, A. Escaping photons finally arrested. Nat Astron 4, 1130–1131 (2020).

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