the dark age

This image shows the galaxy cluster MACS J1149.5 + 2223 taken by the NASA / ESA Hubble Space Telescope. The image in the magnifying square is the distant galaxy MACS1149-JD1, as seen 13.3 billion years ago and recently observed by Alma. The oxygen concentration discovered by 'Alma' is depicted in red. Photo: ESO

Evidence of stars formed only 250 million s after the big bang

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Three Methuselah stars have been discovered that formed in the universe shortly after the Big Bang

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