实测天体物理的英文：
Observational Astrophysics

We observed the barometer fall. [The barometer was observed to fall.]
我们看见晴雨表下降。

Observation is the best teacher.
观察是最好的老师。

They observed the behavior of their new pet.
他们观察他们新宠物的生活习性。

The professor is an acute observer.
那教授是位敏锐的观察家。

This suspect comes under observation.
这个可疑分子受到监视。

The introduction emphasized the thoroughly evolutionary nature of modern astrophysics
在绪论中业已强调，现代天体物理学是彻底的承认演化的科学。

This book was written to answer such questions and to provide a means for making astrophysical judgments
写这本书的目的就是要回答诸如此类的问题，并为作出天体物理学的判断提供一种方法。

Much astrophysical information is to be obtained from the intensity of absorption or emission lines
许多天体物理信息要根据吸收线或发射线的强度才能取得。

The amount of light available for astrophysical analysis are usually so small
对天体物理分析来说，可接收到的天体光量是相当小的。

We are entering here into one of the most complex domains in astrophysics
这里我们涉及到了天体物理学中最复杂的领域之一。