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ALMA and VLT Find Evidence for Stars Forming Just 250 Million Years After Big Bang

16 May 2018, 17:00 UTC
ALMA and VLT Find Evidence for Stars Forming Just 250 Million Years After Big Bang NASA, ESA, S. Rodney (John Hopkins University); FrontierSN team; T. Treu (Univ. of California Los Angeles), P. Kelly (Univ. of California Berkeley) GLASS team; J. Lotz (STScI); Frontier Fields team; M. Postman (STScI) CLASH team; Z. Levay (STScI)

Astronomers have used observations from the Atacama Large Millimeter/submillimeter Array (ALMA) and ESO’s Very Large Telescope (VLT) to determine that star formation in the very distant galaxy MACS1149-JD1 started at an unexpectedly early stage, only 250 million years after the Big Bang. This discovery also represents the most distant oxygen ever detected in the Universe and the most distant galaxy ever observed by ALMA or the VLT.

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