The Mystery of How Supermassive Black Holes Merge
SMRTR summary
Supermassive black holes in merging galaxies face a "final parsec problem" that prevents them from coalescing. Recent evidence suggests they do overcome this barrier, possibly with help from dark matter or other mechanisms. Scientists are developing ways to test competing theories using gravitational wave observations from future space missions.
SMRTR provides this summary for quick context. The original article belongs to Wired.
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