Answer: OORT

The crossword puzzle answer OORT has 2 different clues. We have seen it appear in puzzles 3 times.

Crossword puzzle clues for OORT:

• ___ cloud (theoretical source of comets)
• __ cloud: solar system region beyond Pluto

Usage in crossword puzzles

• Washington Post Daily Crossword Puzzle - 2001-06-16
• LA Times Daily Crossword Puzzle - 2006-02-17

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