立志想当宇航员的人,请检查一下你的手掌和手指

从此图三人的手看,共同特点较清晰,即

手掌宽大

手指短小

当宇航员上天,心肺等内脏器官要求特高.可能心肺等内脏器官特强者手型大都有共同点.
From this figure three hand look clearer common feature, namely

Large palm

Finger short

When astronauts heaven, cardiopulmonary and other organs requires particularly high. Cardiopulmonary and other organs may be particularly strong hand type large have in common.