heliocentric radial velocity 日心视向速度
radial velocity curve [天] 视向速度曲线 ; 向速度曲线
relative radial velocity [天] 相对视向速度
mean radial velocity 平均径向速度
residual radial velocity [天] 剩余视向速度
radial velocity component 径向分速度
radial velocity measurement 径向速度测量 ; 径向速度或多普勒法
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N the component of the velocity of an object, esp a celestial body, directed along a line from the observer to the object 径向速度
Finally, scientists measure the star's wobble due to the planet's gravitational tug, known as the radial velocity.
最后，科学家测量了由于行星的引力拖拉而产生的恒星摆动，这就是径向速度。
But in recent years astronomers have used radial velocity to find or confirm a number of planets down to a few times Earth's mass.
但是，近年来天文学家通过径向速度法去发现或证实大量小到只有几倍的地球质量的行星。
The new planets were detected by measuring "radial velocity," or how fast a star wobbles depending on the gravitational pull from nearby planets.
新的行星是靠测量“径向速度”，或者恒星在周围行星的万有引力下摇摆的速度检测出来的。
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