the.com/stratosphere
the calm ceiling where jets cruise and ozone quietly stops the sun from killing you
warms upwardTemperature rises with altitude, opposite the air below
ozone armorAbsorbs most ultraviolet before it reaches the ground
jet zoneAirliners cruise in its smooth, stable lower edge
felix's leapBaumgartner skydived from its frozen 39-kilometer heights
no weatherToo dry and stable for clouds or storms