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An artist's impression of galaxy A2744_YD4 Credit: M. Kornmesser/ESO

Astronomy

Young Galaxy's Old Stardust Sheds Light on the First Stars

A recently found galaxy is so far away, astronomers see it the way that it looked when the universe was only 600 million years old.

March 8, 2017
1:20 PM EST
The galaxy cluster Abell 2744, also known as Pandora's Cluster, as seen from the Hubble Space Telescope. Far beyond this cluster is the faint, young galaxy A2744_YD4. New observations of this galaxy done using ALMA, shown in red, reveal that it is rich in ancient stardust. Credit: ALMA (ESO/NAOJ/NRA