astronomical observation

常见例句

The total precipitable water in atmosphere is astronomical observation and meteorology.
大气总水汽量是天文观测和气象科学领域最为重要的参量之一。
And there may even be added a fifth component, the advance in instrument technology which after all is the basis of all astronomical observation.
而且甚至有可能是增加了第五个组成部分，在仪器技术进步这毕竟是所有天文观测的基础。
aistaneen.blog.163.com
Such ceremony has comparatively fixed dates of action and the places of worship, characteristic of earlier astronomical observation of the movement of the sun shadows.
这种仪式有比较固定的行事日期和祭祀场所，带有测度日影的早期天文学观察性质。

Until the numbers of nomad planets can be confirmed through more and better observation, this will likely be a source of contentious debate in the astronomical community.
FORBES: The Galaxy May Be Teeming With Nomadic Planets