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James Webb Space Telescope spots galaxy from early universe rich in star formation

New images from NASA’s James Webb Space Telescope (JWST) have revealed that a well-known early galaxy has an overshadowed companion that is abundant with star formation. 

JWST‘s initial target was SPT0418-47, one of the brightest dusty, star-forming galaxies in the early universe. Given it is an extremely distant galaxy — it lies about 12 billion light-years from Earth — its light is bent and magnified by the gravity of another galaxy in the foreground (located between SPT0418-47 and the space telescope), creating a near perfect circle called an Einstein ring

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