Altitude-temperature data is based on ISA(International Standard Atmosphere). Values ​​other than the data were obtained using spline interpolation. Altitude(km) Air Temperature(℃) 0 15 4 -11 8 -37 12 -56.5 20 -56.5 30 -46.5 40 -22 50 -2.5 60 -26 70 … Continue reading Atmosphere