的意思 astrometry

1. Astrometry is the branch of astronomy that deals with the measurement of the positions and motions of celestial bodies. (天文测量学是处理天体位置和运动测量的天文学分支。)

2. Precise astrometry is essential for accurately determining the orbits of planets and stars. (精确的天文测量对准确确定行星和恒星的轨道至关重要。)

3. The astrometry data collected by telescopes helps astronomers map out the structure of the Milky Way galaxy. (望远镜收集的天文测量数据帮助天文学家绘制出银河系的结构。)

4. Astrometry can also be used to study the distribution of dark matter in the universe. (天文测量也可用于研究宇宙中暗物质的分布。)

5. Modern astrometry techniques have greatly improved our understanding of the universe and its origins. (现代天文测量技术大大提高了我们对宇宙及其起源的理解。)

6. Many space missions rely on astrometry to navigate accurately through the solar system. (许多太空任务依赖天文测量来准确导航穿越太阳系。)