astronomical

He focus on astronomical research.

他专注于天文学研究。

Researchers have begun to piece together an illuminating picture of the powerful geological and astronomical forces that have combined to change the planet's environment from hot to cold, wet to dry and back again over a time period stretching back hundreds of millions of years.

研究人员们开始拼凑出一幅有启发性的图景：强大的地质和天文力量结合在一起，共同改变了地球的环境，在绵延上亿年的一段时间里，地球环境从热到冷，从湿到干，又不断循环往复。

Bille and his team work with an optical instrument called an active mirror—a device used in astronomical telescopes to spot newly emerging stars and far distant galaxies.

比尔和他的团队使用一种被称为“活动镜”的光学仪器，这是一种在天文望远镜的种类中用来发现新出现的恒星和遥远星系的仪器。

Houses in the subdivision are going for astronomical prices.

该小区里的房子在以天价出售。

Just half a dozen holiday-makers have reached orbit since then, for similarly astronomical price tags.

从那之后，只有6个度假者到达了太空轨道，价格也同样是天文数字。