它围绕其恒星飞快旋转的速度是地球绕太阳公转速度的7倍,它距那颗恒星的距离比起水星离太阳距离要近23倍。
The planet whizzes around its star more than seven times faster than Earth moves, and is 23 times closer to the star than Mercury is to our sun.
它每4.7天环绕恒星一周,其轨道为一个适度的椭圆,平均距离仅0.04个天文单位(为水星距太阳的十分之一)。
It orbits its star every 4.7 days, in a moderately elliptical orbit at a mean distance of only 0.04 AU (one tenth of Mercury's distance from the sun).
其大小是地球的1.4倍,距其主星的距离却比水星与太阳之间的距离小了20倍之多,而公转周期也缩短至0.84天。
And with 1.4 times the size of Earth, Kepler-10b is more than 20 times closer to its star than Mercury is to the sun, and whips around the star once every 0.84 days.
在寻找水星的时候,无须驻足等候。即便处在东大距,日落之后不到1个半小时,水星便下沉了。
Don't tarry when looking for Mercury. Even at its greatest eastern elongation, Mercury sets less than 1.5 hours after the sun tonight.
在寻找水星的时候,无须驻足等候。即便处在东大距,日落之后不到1个半小时,水星便下沉了。
Don't tarry when looking for Mercury. Even at its greatest eastern elongation, Mercury sets less than 1.5 hours after the sun tonight.
应用推荐