Thousands of disk galaxies like our own Milky Way were spotted in the early universe, where they shouldn't exist.
The James Webb Space Telescope has found more than 1,000 galaxies mysteriously resembling our own Milky Way hiding out in the early universe.
Yet the disk galaxies are 10 times more common in the early universe than astronomers previously thought, new research reveals. The strange discovery joins others made by the JWST that point to a deepening mystery around how large galaxies, and with them the potential for life, first bloomed in our universe. The researchers published their findings Sept. 22 in The Astrophysical Journal.
The Milky Way is a disk galaxy. With its spiral arms and squashed sombrero shape, it is one of the most common types of galaxy in today's universe. However, during the universe's early years — when the cosmos was more cramped and dwarf galaxies swarmed — astronomers long-assumed that galaxies like our own would be quickly twisted out of shape.
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