家,是每一个人向往的港湾,在距地面数百公里茫茫太空中飞行的航天员,对家的渴望将更加强烈,因为只有安全着陆,才算圆满完成航天飞行任务。当“神舟”五号飞船在太空飞行一天后,就要回家了。“神舟”五号飞船的回家可分为:制动减速阶段、自由滑行阶段、再人大气层阶段和回收着陆阶段。 “神舟”五号飞船返回前飞行在距 Home is the harbor everyone aspires to. The astronauts who fly in the boundless space hundreds of kilometers from the ground will have a stronger desire for home because the mission of space flight will be completed satisfactorily only with a safe landing. When the “Shenzhou” spacecraft five days in space flight, it is time to go home. “Shenzhou ” The fifth spacecraft’s home can be divided into: brake deceleration phase, free-gliding phase, re-atmospheric stage and recovery phase of landing. “Shenzhou ” before the fifth spacecraft flew in the distance