Question: Where was a mission to study the dynamics of the region between 50 km and 100 km above the Earth's surface launched from on December 7, 2001
Sentence (from "Mesosphere"): The mesosphere ( ; from Greek "mesos" "middle" and "sphaira" "sphere") is the layer of the Earth's atmosphere that is directly above the stratosphere and directly below the mesopause.
Relevant evidence: No