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What is the name of the line that separates outer space from Earth's atmosphere?

Question #152044. Asked by odo5435.
Last updated Apr 11 2025.
Originally posted Apr 11 2025 10:16 AM.

Triviaballer

Answer has 4 votes

Currently Best Answer

Triviaballer

24 year member
138 replies avatar

Answer has 4 votes.

Currently voted the best answer.

It looks like that is the Kármán line which is approximately 100 km (62 mi) or 330,000 feet above mean sea level. This as established in the 1960s by the FAI (Fédération aéronautique internationale).

https://en.wikipedia.org/wiki/Kármán_line

Apr 11 2025, 10:27 AM

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What is the name of the line that separates outer space from Earth's atmosphere?

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