At that rate of descent , his estimated trajectory wouid bring him . . 用这种速度滑下来，估计运行轨道会让他. .
At that rate of descent , his estimated trajectory would bring him . . 用这种速度滑下来，估计运行轨道会让他. .
More than 60 % of the stars in the milky way have a companion star around which they orbit 银河中超过六成的恒星在其运行轨道附近存在伴星。
Concentration upon the pole - star will give knowledge of the orbits of the planets and the stars 冥想于北极星就会得到行星运行轨道的星际知识。
A projected track shows the hurricane should slam into mexico ' s yucatan peninsular late monday 根据飓风预计的运行轨道显示，飓风将在周一强袭墨西哥的尤卡坦半岛。
Shenzhou - 5 was equipped with 52 engines designed to ensure precise readjustment of its attitude and flight maneuvers 神舟五号飞船装有52台发动机，能精确调整飞船飞行姿态和运行轨道。
Niesward claims that on this day " earth occupies one of the most fragile positions in its orbits for the last 100 years . 尼斯瓦德教授说，在7月20日这一天， "地球处于运行轨道上一百年来最薄弱的位置上" 。
Meteorites fascinate scientists because they are the smashed - up remnants of asteroids ? the tiny wannabe planets that orbit between mars and jupiter 陨石引起科学家的兴趣是因为他们是流星破碎后的残余物（流星是运行轨道处于火星和木星之间的那些小行星） 。
We believe it was programmed to automatically descend if control was ever cut off from the surface . we have calculated the solg ' s course of descent from its previous orbit 我们确信其程序设定为一旦和地面联系被切断,卫星将自动坠入大气层.我们已经根据其先前的运行轨道计算出了solg的坠落路线
In addition , bodies that dominate their neighborhoods , " sweep up " asteroids , comets , and other debris , clearing a path along their orbits . by contrast , pluto ' s orbit is somewhat untidy 还有，可以支配它的邻居的星体都可以“清除”它运行轨道上的彗星，星体残骸等等。而冥王星的轨道却很不干净。
