alleryAt what altitude does the Karman line, the conventional edge of space, lie?
A12 km
B50 km
C100 km
D700 km
Answer & Solution
Correct answer: C. 100 km
1. The atmosphere thins gradually with no sharp outer edge.
2. The Karman line at 100 km is the convention for where space begins.
3. 12 km is the tropopause, 50 km the stratopause, and 700 km is in the exosphere.
_Source: Wikipedia, Atmosphere of Earth, Lead section_
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