Distant ‘teen galaxies’ surprise astronomers with unexpected heavy elements

Distant ‘teen galaxies’ surprise astronomers with unexpected heavy elements

The deeper we look into space, the further back in time we look. Light from some of the youngest galaxies in our universe must travel billions of years to reach us, where it is captured by our information-rich instruments from the cosmic dawn. This light can tell us not only where we came from, but where we might be headed.

To understand the evolution of many of these early, “teenage” galaxies, a team of astrophysicists led by Northwestern University examined data from the James Webb Space Telescope (JWST), which looked at worlds that formed only two to three. Billions of years after the Big Bang.

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