final parsec problem
Word Rarity
Very rare
Frequency: Zipf frequency 1.95 in modern English
31
Scrabble Score
18
Letters
5
Syllables
13
Unique Chars
Meaning
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.