Astronomers use giant galaxy cluster as X-ray magnifying lens

Researchers have for the first time used a massive cluster of galaxies as a huge

Researchers have for the first time used a massive cluster of galaxies as a huge magnifying lens to detect a small, star-forming dwarf galaxy. Image: Felice Frankel and Christine Daniloff, MIT

New lens technique spots tiny dwarf galaxy in the first, super-energetic stages of star formation.

Boston Globe reporter Maria Lovato writes that MIT researchers used a large galaxy cluster to see the X-rays emitted by a galaxy 9.4 billion light-years away. "Using data from NASA’s Chandra X-ray Observatory," writes Lovato, "the astronomers studied the Phoenix galaxy cluster 5.7 billion light-years away and were able to see the young galaxy hidden billions of light-years behind it."


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