HomeAstronomyNewfound galaxies are 'pristine fossils of the early universe'

Newfound galaxies are ‘pristine fossils of the early universe’

Three ultra-faint dwarf galaxies have been discovered around a distant spiral galaxy with a mass similar to the Milky Way. The dwarf galaxies are believed to be around 12 billion years old, meaning their stars formed early in the universe’s history, under 2 billion years after the Big Bang. 

At a distance of around 11.4 million years away from Earth, the ultra-faint galaxies are the first to be found orbiting a Milky Way-like galaxy outside of our galaxy’s cosmic backyard, known by astronomers as its “Local Group” which includes Andromeda and other neighboring galaxies. 

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