Calculating the mass - defect in the different gravitational field helps us study the formation and evolution of different kind of celestial body 讨论不同场中的质量亏损效应对于研究不同天体的形成及演化都有重要意义。
There are also celestial bodies , and bodies terrestrial : but the glory of the celestial is one , and the glory of the terrestrial is another 40有天上的形体，也有地上的形体。但天上形体的荣光是一样，地上形体的荣光又是一样。
Ask those students who get the sun , mercury , venus , mars , jupiter , saturn and moon cards to see if there are discovery years for these celestial bodies 要求持有太阳金木水火土星和月球卡的学生看看该些星体有没有发现年份。
Of the star image is then enlarged . you may treat the image of a celestial body , say jupiter , as numerous tiny points of light 如果有一个空间，四面八方都有地心吸力，而吸力的强度是相同的，处身于这个空间的人或物件会发生甚么事？
One of the seven revolving astrological celestial bodies that in conjunction with the stars are believed to influence human affairs and personalities 命运星辰七个涉及占星术的天体之一，它与恒星一起被相信能影响人类事务和人的性格
Since flames are bright and the hot air around causes the image to shiver , the surface details of the celestial body cannot be resolved when a fire is around 火焰不但光亮，热空气更会令星像摇摆不定，令人无法看清楚天体表面的细节。
Since flames are bright and the hot air around causes the image to shiver , the surface details of the celestial body cannot be resolved when a fire is around 火焰不但光亮，热空气更会令星像摇摆不定，令人无法看清楚天体表面的细节。
A body subjected to gravitational attraction by the earth and orbiting the latter according to the law of celestial mechanics must be termed a " celestial body " 一个受到地球引力吸引，并按照天体力学定律环绕地球运转的物体必须叫做“天体” 。
An early instrument for measuring altitude of celestial bodies , consisting of a90 = graduated arc with a movable radius for measuring angles 象限仪用来测量天体纬度的一种早期工具，由一个有90度刻度的圆弧和一个用来测量角度的可移动的半径构成
