adj.天文学的，天文的，极其巨大的

Eric is engaged in astronomical research.
埃里克致力于天文学的研究。
Zhang Heng was an expert on ancient Chinese astronomical literature.
张衡是研究中国古代天文学文献的专家。
The astronomical observatory provides a stunning view of the night sky.
天文台提供了观赏夜空的壮丽景色。
The discovery of exoplanets has revolutionized our astronomical understanding.
系外行星的发现彻底改变了我们对天文学的理解。
The cost of the new telescope was astronomical, but it promised groundbreaking discoveries.
新望远镜的成本高得惊人，但它有望带来突破性的发现。
Her knowledge of astronomical phenomena is impressive.
她对天文现象的了解令人印象深刻。
The event attracted an astronomical number of visitors from around the world.
这个活动吸引了来自世界各地的天文数字般的游客。
Astronomical research often requires long hours of observation in remote locations.
天文研究常常需要在偏远地区进行长时间的观测。
The book explores the astronomical theories of ancient civilizations.
这本书探讨了古代文明的天文理论。
The astronomical clock in Prague is a remarkable piece of engineering and art.
布拉格的天文钟是一件非凡的工程与艺术作品。
His astronomical calculations predicted the precise timing of the eclipse.
他的天文计算准确预测了日食的时间。
Studying astronomy helps us grasp the astronomical scales of the universe.
研究天文学有助于我们理解宇宙的天文级规模。