Saturn

音標(biāo)發(fā)音

Astronomers used to ask why only Saturn has rings.
天文學(xué)家們過去一直感到奇怪,為什么只有土星有光環(huán).
Saturn was to launch the 15 th flight, a Moon orbital mission.
第15次飛行利用薩杜恩將飛船送人月球軌道.
The Saturn family of launch vehicles falls into three types or groups.
“土星族”飛行器可以分為三類或三組.
Astronomers used to ask why only Saturn has rings.
天文學(xué)家們過去一直感到奇怪,為什么只有土星有光環(huán).
Saturn was to launch the 15 th flight, a Moon orbital mission.
第15次飛行利用薩杜恩將飛船送人月球軌道.

the planet sixth in order of distance from the Sun, after Jupiter and before Uranus

the Roman god of agriculture and vegetation (Greek counterpart Cronus)
one of the giant planets, the sixth planet from the sun, around which revolve planar concentric rings (Saturn's rings) consisting of small frozen particles. The planet has at least 30 satellites. Mean distance from sun: 1425 million km period of revolution around sun: 29.41 years period of axial rotation: 10.23 hours equatorial diameter and mass: 9.26 and 95.3 times that of the earth, respectively &rarrsee also Titan

土星
Based on this result, the author tried his best to measure positions of those satellites near Saturn.
本文則在前人工作的基礎(chǔ)上,對(duì)土星附近的暗弱衛(wèi)星進(jìn)行位置測(cè)量。
天文學(xué)
土星