天文星用英语怎么说_天文星英文怎么写

Astronomical star

天文星───astronomical star

inner belt orbits at a distance of about 3 astronomical units from its star — or about the same position as the asteroid belt in our own solar system.───内侧行星带距离它的恒星为3个天文单位——或者相当于太阳系中的行星带与太阳的距离。

The second asteroid belt lies at about 20 astronomical units from the star, or a position comparable to Uranus in our solar system.───第二个行星带距离它的恒星为20个天文单位，这相当于太阳系中天王星的位置。

The outer comet ring orbits from 35 to 90 astronomical units from the star; our solar system's analogous Kuiper Belt extends from about 30 to 50 astronomical units from the sun.───外侧那些沿着轨道运行的彗星距离恒星最远90个天文单位，最近35个天文单位；我们太阳系中的柯伊伯带与太阳的距离为30到50个天文单位。