final parsec problem

noun

The question of whether two supermassive black holes in a merged galaxy will continue orbiting each other indefinitely or eventually combine into one, and if so, the process by which this occurs.

Similar
last parsec problem
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Meanings

noun

alternative final-parsec problem

  1. astronomyThe question of whether two supermassive black holes in a merged galaxy will continue orbiting each other indefinitely or eventually combine into one, and if so, the process by which this occurs.

    Synonyms: last parsec problem

Synonyms & antonyms

nounThe question of whether two supermassive black holes in a merged galaxy will continue orbiting each other indefinitely or eventually combine into one, and if so, the process by which this occurs.

Similar
last parsec problem
Also see
last parsec problem
Cite this entry
APA

final parsec problem. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/final%20parsec%20problem

MLA

“final parsec problem.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/final%20parsec%20problem. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “final parsec problem,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/final%20parsec%20problem.

Source: final parsec problem on Wiktionary, CC BY-SA 4.0.