Perlan Project

The Perlan Project is a current research project to fly a sailplane to an altitude of 90,000 feet (27,432meters).

Polar Stratospheric Cloud Formed by standing mountain wave in Scandinavia

Arctic stratospheric cloud (Mother of Pearl cloud)
Altitude 15,000–25,000 m
(50,000–80,000 ft)


Read more about Perlan Project:  Meteorological Basis of The Project, Objectives, Progress, History, Phase 2

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