[??? ??!/???? ??? ??? ?? ???]10? 25?

<?? ?? ??>● break the sound barrier ??? ????
● death defying ??? ?
● emergency evacuation[bailout] ?? ??
● atmospheric[air, barometric] pressure ??
● land on one＇s feet ??? ? ?? ????

??? ???? ??? ????? ?? ??? ??? ??? ??????. ?? ??? ??? ????? 10? 17?? 5?? ????.

?????? ?????? ??? ??????? 14?(?? ??) 39km ??? ????? ??????? ??????. 4? 19? ?? ?? ??? ??????? ?? ?? ?? 1342km? ??? ?? 1500m ???? ???? ?????. ??? ???? ????? ???? ??? ??? ????? ??? ?????.

‘??? ????’? break the sound barrier?? ???.(?: ??????? ??? ??? ??? ??? ?????. Baumgartner became the first man to break the sound barrier.) ‘??? ?’? death defying??? ???. (?: ???? ??? ?????? ??? ??????? 18?? ???? ??? ? ??? ???????. Daredevil skydiver Felix Baumgartner completes death defying leap from 18 miles up.)

?? ??? ?? ???? ???? ???? ??? ???? ????, ??? ???? ???? ?? ???? ??? ???? ??? ? ?? ??? ?? ?? ??????. ?? ??? emergency evacuation[bailout]??? ???.(?: ? ???? ?? ??? ???? ???? ???? ?? ?????? ?? ?? ? ??? ??? ??? ? ??? ?? ? ????. The lessons learned will inform the development of new ideas for emergency evacuation from vehicles, such as spacecraft, passing through the stratosphere.)

????? ??? ? ??? ??? ??? ?? ?? ????? ??? ???? ??? ?? ???? ??? ?????. ??? ???? ??? ???? ???? ???? ??? ???? ??? ???? ??? ??? ??, ???? ????. ?? ?? ?? ?? ????. ?? ?? ?? ??????? ?? ???? ?? 1.6km ??? ???? ??? ???? ?? 20?～?? 56?? ??? ??? ?? ?? ?? ?? ?????? ??? ????? ??? ??? ????.

???? ??? ??????? ???? ?? ?? 1110km? ????? ???? ?? ??? ??????. ‘??’? atmospheric[air, barometric] pressure???.(?: ??? ????? ??? ????. The atmospheric pressure becomes lower with higher altitude.) ‘??? ? ?? ????’? land on one＇s feet???.(?: ??????? ???? ??? ???????. Baumgartner landed safely on his feet.)

??? ??? ???? ????. If I set my mind to it, nothing is impossible.). ??? ???? ??? ???? ?? ????

??? ??? ??? ???