SMRTR Science & EngineeringJan 18, 2026Interesting Engineering

Astronomers observe supermassive black hole awaken from 100-million-year slumber

SMRTR summary

Astronomers discovered a supermassive black hole in galaxy J1007+3540 has dramatically reawakened after being dormant for 100 million years, creating new plasma jets nearly one million light-years across that overlay older, faded jets like fresh lava over ancient flows, demonstrating how black holes can repeatedly turn on and off throughout cosmic history.

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