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ALMA detects most distant signs of oxygen in the universe

17 June 2016 Astronomy Now

An international team of astronomers has used the Atacama Large Millimetre/submillimetre Array (ALMA) to detect glowing oxygen in a distant galaxy seen just 700 million years after the Big Bang. This is the most distant galaxy in which oxygen has ever been unambiguously detected, and it is most likely being ionised by powerful radiation from young giant stars.

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A new record: Keck Observatory measures most distant galaxy

6 August 2015 Astronomy Now

EGSY8p7 is the most distant confirmed galaxy whose spectrum obtained with the W. M. Keck Observatory places it at a redshift of 8.68, at a time when the universe was less than 600 million years old. Hydrogen emission from EGSY8p7 may indicate it is the first known example of an early generation of young galaxies emitting unusually strong radiation.