Astor is a renowned astronomer.

阿斯特尔是一位著名的天文学家。

Barrett is a renowned astronomer.

巴雷特是一位著名的天文学家。

The astronomer observed the stars through his telescope.

天文学家通过他的望远镜观察星星。

The astronomer presented a lecture on black holes.

这位天文学家就黑洞作了一场演讲。

An astronomer discovered a new galaxy last week.

一位天文学家上周发现了一个新的星系。

The astronomer studied the patterns of star movements.

这位天文学家研究了星辰运动的模式。

A famous astronomer will visit our school next month.

一位著名的天文学家下个月将访问我们学校。

The astronomer used advanced technology to study distant planets.

这位天文学家使用了先进技术来研究遥远的行星。

She became an astronomer after years of studying the universe.

她经过多年研究宇宙后成为了一名天文学家。

The astronomer took photos of the moon during the eclipse.

天文学家在日食期间拍摄了月亮的照片。