In a recent study, astronomers discovered a large population of ultra-diffuse galaxies in the local universe. These galaxies are surprisingly faint, with visible stars that span areas much larger than ordinary galaxies. The discovery of this population of galaxies sheds new light on our understanding of the formation and evolution of galaxies.

The team of astronomers used the Sloan Digital Sky Survey to identify a population of ultra-diffuse galaxies that had previously been overlooked. The galaxies were found to be about 10,000 times fainter than the Milky Way and have star-formation rates that are 100 times lower than the Milky Way. Additionally, the galaxies were found to span areas up to 100 times larger than ordinary galaxies.

The findings of this study provide a whole new set of questions for astronomers to explore. It is possible that these galaxies are remnants of a much larger population of galaxies that were previously thought to be “missing” from our local universe. Further research into these ultra-diffuse galaxies may provide insight into the formation and evolution of galaxies in our universe.

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source: Phys.org