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IRISSAK [1]
3 years ago
13

The *Blank* is a spherical region that surrounds the solar system and extends almost halfway to the nearest star

Biology
1 answer:
faltersainse [42]3 years ago
5 0
Oort cloud: a spherical region that surrounds the solar system, that extends from the kuiper belt to almost halfway to the nearest star, and that contains billions of comets
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