Giant cosmic bubble of galaxies thought to be relic from early universe

Astronomers recently discovered an enormous cosmic bubble packed with galaxies that stretches nearly 1 billion light-years across and seems to be an ancient vestige from the infant universe. Named Hoʻoleilana, a nod to a Hawaiian creation chant that describes the origin of structure, the massive bubble is thought to be what’s called a baryon acousticContinue reading “Giant cosmic bubble of galaxies thought to be relic from early universe”
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