These particles , furthermore , are embedded in about 1 , 000 square centimeters ( more than a square foot ) of aerogel , which after years in space is likely to be crisscrossed with cracks and flaws 此外、这些颗粒深植在1000平方厘米的气凝胶中,经过数年的太空飞行气凝胶很可能布满交错的裂痕和缺陷。
Experts had not bothered to study closer - in data in detail because they believed that radiation pressure of the sun and the many flight maneuvers would make it difficult to measure the anomaly 专家们不曾详尽的研究较近距离内的数据,因为他们认为太阳的辐射压与许多太空飞行任务会使异常现象不好量测。
On 1 july 1975 , the us apollo spacecraft docked with the soviet soyuz spacecraft while in earth orbit . this was the first international cooperative space flight 1975年7月1日,美国阿波罗太空船利用由美国和苏联共同研发的靠站设备,与苏联的联合号一起在地球的运行轨道靠站,这是国际首次在太空飞行方面的合作。
These issues came up when a nasa researcher interviewed 10 former astronauts , collecting information for planning future space - flight missions such as the space station 这些问题是在一位美国国家航空和航天局研究人员采访十名前宇航员时被提出来的。采访的目的是为筹划将来的太空飞行任务(如建立太空站)而收集资料。
So far this reality has limited spaceflight to multistage expendable rockets or the space shuttle , which is assisted by strap - on fuel tanks and solid - fuel boosters that are jettisoned during ascent 目前为止,这个事实使太空飞行限于多阶段扩张式火箭或是太空梭;后者在上升过程中抛出附加的燃料箱和固体燃料助力器。
14 october 2005 - - china says astronauts carrying out the country ' s second manned space mission today slightly adjusted the position of their orbiting shenzhou 6 capsule after it started moving closer to earth 2005年10月14日? ?中国宣布,今天,担负着第二次载人太空飞行使命的航天员在飞往近地点时对飞行中的神州6号太空舱位置作了轻微调整。
Mr . simonyi , a 58 - year - old native of hungary , paid $ 25 million for the 13 - day trip , the fifth such paying “ space tourist , ” or “ space flight participant , ” as officials prefer to call them 58岁的美籍匈牙利裔西莫尼先生为他这次为期13天的太空之旅支付了大约2500万美元,成为第五名“太空游客” ,或者是“太空飞行参与者” 。官方更喜欢后一称呼。
Private spaceflight : hurdles and hopes efforts to advance commercial spaceflight had somewhat mixed results , with the industry facing its first fatal accident ( see no . 6 ) and funding woes for a nasa contract 民间太空飞行既有障碍,也有希望太空飞行业在发生第一次致命事故以及美国宇航局面临的资金问题等诸多因素,促使各大公司努力改进商业太空飞行技术。