Star-Forming Galaxy a Window Into the Distant Past? (3 of 3) (IMAGE)

American Association for the Advancement of Science (AAAS)

Star-Forming Galaxy a Window Into the Distant Past? (3 of 3)

Caption

A spectrum in the ultraviolet taken by the Cosmic Origins Spectrograph, also on the Hubble Space Telescope, revealed the rarely seen Lyman continuum radiation escaping from a galaxy in which strong winds from young stars and supernovae have removed all of the surrounding absorbing gas. This discovery helps to explain the epoch of reionization, given that very similar extreme starburst-driven winds also dominated the conditions in and around the first populations of galaxies. This material relates to a paper that appeared in the Oct. 10, 2014, issue of Science, published by AAAS. The paper, by Sanchayeeta Borthakur at Johns Hopkins University in Baltimore, MD, and colleagues was titled, 'A local clue to the reionization of the universe.'

Credit

[Credit: Science/AAAS, Borthakur et al. 2014 "A local clue to reionization of the universe"]

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