This Week in Astronomy: Dark Matter, Biggest Black Hole Merger and Hidden Galaxies

from Bedtime Astronomy · host Synthetic Universe

Scientists propose that "dark dwarfs"—brown dwarfs powered by dark matter—could reveal what dark matter is made of. Meanwhile, LIGO and its partners detected the most massive black hole merger ever seen, offering new insights into black hole formation. At the same time, new simulations suggest there may be many hidden, faint galaxies orbiting the Milky Way, helping to solve a mystery in our understanding of dark matter and galaxy formation.Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.

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This episode was published on July 16, 2025.

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