天文单位 meaning in Chinese
astronomic unit
astronomical unit
au
Examples
- Their thrusters are just good enough to maintain them on a stable orbit
如果想让这些空间站横越恒星系，那么它们飞过一个天文单位就要花上好几天。 - Astronomers believe that comets originate from the oort cloud which is located 5 , 000 to 100 , 000 astronomical units from the sun
天文学家相信彗星诞生于距离太阳五千至十万个天文单位的奥尔特云。 - Gerard kuiper , from whom the region was named , was a dutch - born american astronomer who focused his study on the solar system in 1940 s
凯伯是美藉荷兰裔天文学家，他在20世纪40年代开始专注研究太阳系。凯伯带位于距离太阳30至100个天文单位之间。 - It dwells in the kuiper belt at about 42 au away and moves around the sun every 288 years 1 astronomical unit the distance between the earth and the sun , about 150 million kilometers
据初步计算，这颗天体距离地球约4 2个天文单位个天文单位太阳和地球的距离，即约15亿公里，运行一周需时288年。 - From 12 to 14 may , this mysterious string of comet will pass earth at a mere 0 . 0735 astronomical unit i . e . 29 lunar distances . astronomers expect that the biggest fragment will shine as bright as magnitude 5
5月12至14日，这串神秘的彗星会于地球0 . 0735天文单位即地月距离的29倍外掠过，天文学家预测它最大的碎片会亮至5等。