What is the "Kármán line" related to?
Ocean depth
City border
River length
Outer space
Answer
The Kármán line, defined as the boundary between Earth's atmosphere and outer space, is approximately 100 kilometers (62 miles) above sea level. It marks the altitude where aerodynamic lift generated by the atmosphere becomes insufficient to support aircraft flight, requiring a spacecraft to generate lift and propulsion by other means.
Mastering the Skies: The Theodore von Kármán Quiz
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