James Webb telescope spots most distant ring galaxy, hinting at early universe collisions
Galaxy GS18660, seen 2.1 billion years after the Big Bang, may have formed when a smaller galaxy plunged through a larger one
The James Webb Space Telescope has discovered the most distant ring galaxy ever observed, a rare structure seen as it appeared just 2.1 billion years after the Big Bang. The galaxy, designated GS18660, may have been created by a head-on collision between two galaxies, astronomers report in the journal Astronomy & Astrophysics.