In astronomy, in optical astronomy, we cannot measure the period or the frequency of optical light.

在天文学中，在光学天文学中，我们不能测量周期或者可见光的频率。

youdao

We might as well give up on optical astronomy and go with radio astronomy.

我们还是可能放弃光学天文学，选择无线电天文学。

youdao

Astronomy I study astronomy because I like to look at stars.

我攻读天文学，因为我喜欢看星星。

youdao

The 'Imiloa Astronomy Center is part of the University of Hawaii at Hilo.

VOA: special.2010.09.29

Whereas we all know that the universe is of a certain kind-- -- we can't even call it Copernican anymore-- poetry has this odd preference for Ptolemaic astronomy.

虽然我们都知道宇宙是怎样的-,现在即使哥白尼的理论也不完全正确了-,但是诗歌偏爱托勒密的宇宙观。

耶鲁公开课 - 文学理论导论课程节选

She also loves astronomy, which is incidentally an interest of mine too, but you won't hear about it again in this course.

她还喜欢天文学,巧合的是,这也是我的爱好之一,但在这节课上我也不会提及

耶鲁公开课 - 金融市场课程节选

By then he was famous enough in the amateur astronomy world that some other amateur astronomers raised money to send him to Vanderbilt to study astronomy.

FORBES: NASA Finds A Holiday Wreath In Space

The researchers then plugged their figures into astronomy software developed by the US Naval Observatory.

BBC: Russia meteor's origin tracked down

Training will also be given in reading constellations, the solar systems and basic astronomy.

UNESCO: UK National Commission for UNESCO - Galloway and Southern Ayrshire Biosphere Reserve gives local people the chance to become Dark Sky Rangers