"Impossible Galaxy Found by JWST"

1 min read
Source: Universe Today
TL;DR

The James Webb Space Telescope (JWST) discovered a peculiar isolated dwarf galaxy, named PEARLSDG, located about 98 million light-years away with no close neighbors and a lack of star formation activity for at least one billion years. This discovery challenges current understanding of galaxy evolution, as isolated quiescent dwarf galaxies like PEARLSDG are not expected to exist. The JWST's ability to observe individual stars in PEARLSDG provides valuable insights into its distance, age, and formation history, prompting astronomers to reconsider their models of galaxy evolution and suggesting the possibility of more such galaxies waiting to be identified.

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