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Meaning of inner Oort Cloud | Babel Free

Noun CEFR C1

Definitions

A doughnut-shaped region of the Oort cloud located 2,000 to 20,000 AU from the sun. It is home to many minor planets, notably sednoids.

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

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