alleryWhat is the boundary called where the solar wind is halted by the interstellar medium?
AFrost line
BPerihelion
CKuiper belt
DHeliopause
Answer & Solution
Correct answer: D. Heliopause
1. The solar wind streams out from the Sun.
2. At about 70 to 90 AU the interstellar medium stops it, forming the heliopause.
3. The frost line and Kuiper belt are other regions, and perihelion is an orbital point.
_Source: Wikipedia, Solar System, Lead section_
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