The Oort cloud is estimated to be about __________ AU away from the sun?
- A. 100,000
- B. 200,000
- C. 300,000
- D. 400,000Purchasing Educational Biology Kits
Explanation
The Oort cloud is a distant, roughly spherical reservoir of icy bodies whose outer region is commonly estimated to reach about 100,000 AU from the Sun. It is much farther away than the Kuiper belt.