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- In recent year, astronomers found a new celestial yardstick, which allows us to measure more precisely the distances of celestial bodies billions of light-years away. 近年,天文学家找到一种新的宇宙量天尺,可让我们更准确地测量远至数十亿光年外的天体距离。
- The geology of celestial bodies. 天体地质学有关天体研究的地质学
- distance of celestial bodies 天体的距离
- The angular distance of a celestial body below the horizon. 俯角天体在地平线下的角距离。
- 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
- The angular distance of a celestial body north or south of the ecliptic. 黄纬黄道以南或以北天体的用角度量的距离
- The scientific measurement of the positions and motions of celestial bodies. 天体测量学天体位置及运动的科学测量
- Disappear beyond the horizon,of celestial bodies such as the sun and the moon. 在地平线以下消失,指太阳和月亮等天体。
- The point of greatest or least distance of the orbit of a celestial body from a center of attraction. 离吸引中心最远或最近距离的点。
- An instrument that measures the altitude and azimuth of celestial bodies,used in navigation. 用来测量天体的高度和角度的装置,通常用于航海。
- The branch of astronomy that deals with the measurement of the position and motion of celestial bodies. 天文学中有关天体位置与运动的测量的分支。
- The adoption of the relevant laws of celestial bodies colliding with Earth is reflected by the mathematical formula. 通过数学公式反映地外天体撞击地球的有关规律。
- Research on the Technique of Spectro-polarimetric Imaging of Celestial Bodies and Its Experiments in the Daytime[J]. 引用该论文 孙晓兵;洪津;骆冬根;杨伟锋;张冬英;乔延利.
- At a distance of six miles you can't see much. 距离六英里以外的东西很难看清。
- Astronomy studies the motions and natures of celestial bodies, such as planets, stars and galaxies. 天文学研究天体的运动和性质,例如,行星、恒星和星系。
- An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome. 天象仪一种能将天体和其它天文学现象的影象投射到半球状圆屋顶内表面的光学设备
- The scientific study of matter in outer space, especially the positions, dimensions, distribution, motion, composition, energy, and evolution of celestial bodies and phenomena. 天文学外层空间事物的科学研究,尤指天体及天文现象的位置、大小、分布、运动、构成、能量及演化的科学
- The distance of a light year boggles the imagination. 一光年的距离大得令人难以想象。
- Yet a great deal happened in these Dark Ages: the primordial soup evolved into the rich zoo of celestial bodies we now see. 不过,在黑暗期里其实发生了许多事情:太初宇宙就像一锅滚烫的汤,而后因膨胀冷却,逐步演化成我们现在所见丰富多彩的天体大观园。
- Yet ingenious astronomers throughout history still perseveringly hacked their way to measure the distances of these celestial bodies purely by their twinkling, obscure lights. 然而,古往今来无数的天文学家却以无比的智慧和毅力,试图凭藉点点闪烁不定的星光去测度天体间的距离。