early universe
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Monster Radio Jet Discovered in the Early Universe
Astronomers have characterized the largest radio jet ever seen in the early Universe, a colossal structure at least 200,000 light-years wide.
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Primordial Black Holes May Be Hiding in Everyday Objects
Black holes are often imagined as the remnants of massive stars that collapse under their own gravity. But new research suggests that the chaotic conditions of the early universe may have given birth to smaller, primordial black holes (PBHs) long…