Assertion: limit | /r/AtLocation | earth
Facets:
value: around 18–19 km
type: LOCATION
Source sentences:
text: On Earth, the limit is around 18–19 km (11–12 mi; 59,000–62,000 ft) above sea level, above which atmospheric air pressure drops below 0.0618 atm (6.3 kPa, 47 mmHg, or about 1 psi).