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MIT

Astronomers use giant galaxy cluster as X-ray magnifying lens

15 Oct 2019, 08:42 UTC
Astronomers use giant galaxy cluster as X-ray magnifying lens Image courtesy of the researchers

Astronomers at MIT and elsewhere have used a massive cluster of galaxies as an X-ray magnifying glass to peer back in time, to nearly 9.4 billion years ago. In the process, they spotted a tiny dwarf galaxy in its very first, high-energy stages of star formation.

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