Official guardian of celestial terminology the IAU may be.
天体术语的官方捍卫者可能还得由国际天文学会来担当。
The IAU decides the official names of all celestial bodies.
这一联合会确定所有天体的官方名称。
Since there are so many stars in the universe, the IAU USES a different system for newfound stars.
由于宇宙中有太多恒星了，所以IAU还使用了另一套不同的系统命名新发现的恒星。
In the case of defining a planet, IAU made the call, and "now we have to use this definition and try to play the game."
在定义行星这点上，IAU给了行星一个说法，“现在我们就要使用这个定义来完这场游戏了”。
The demanding of the IAU WG, the situation of the past observations, and the introduction of reorganizing work, are described in the paper.
本文概述了IAU工作组的有关要求，仪器的观测和资料整理的基本情况。
VLBI observations of nutations are compared with IAU1980 nutation series. Their deviations can provide a basis for improving IAU nutation theory.
比较了VLBI 章动观测值和IAU1980章动理论值，其差异可为改进章动理论提供依据。
According to IAU, a "dwarf planet" should have an orbit around the Sun. It will not have a clear neighborhood around its orbit, and must not be a satellite.
根据国际天文学联合会的定义，“矮行星”应该有一条环绕太阳的轨道，它不能清除其轨道附近的其它天体，而且不是一颗卫星。
The scientists saw Sergio wobbling due to the gravitational tug of a Jupiter-sized gas planet, which the scientists dubbed Sergio Junior [IAU name: HIP 13044 b].
科学家们观测到了“赛吉奥”的晃动，这些晃动来自于一个类似木星大小的气体行星的巨大引力作用，此行星被科学家们戏称为“小赛吉奥”[iau名：hip 13044b]。
The IAU further resolves that Pluto is a dwarf planet by the above definition and is recognized as the prototype of a new category of Trans-Neptunian Objects.
根据上述的定义，国际天文联会进一步决定将冥王星拨归为矮行星，并成为其中一类海王星外天体的原型。
Instead the IAU definition makes life more complicated for astronomers, he said, because the notion of whether an orbital neighborhood has been cleared remains hazy.
实际上IAU的定义对于天文学家来说，反而上事情更复杂化了，他认为，如何判断一条轨道。
It seems that even if the IAU had kept Pluto's status as a planet, the classical theory of nine planets in the solar system would have had to be changed, but the other way around.
由此看来，即使国际天文学联合会保住冥王星的行星地位，经典的太阳系九大行星理论也仍然要改，只是改法相反而已。
The IAU definition, "doesn't change the fact that we're going to visit Pluto with [the New Horizons] spacecraft, and scientists are still going to go hog wild over all the data we collect.
IAU的定义不会改变我们将要用探测器（新地平线号）去探测冥王星的事实，科学家仍旧会因我们探测到的数据而兴奋不已。
The IAU definition, "doesn't change the fact that we're going to visit Pluto with [the New Horizons] spacecraft, and scientists are still going to go hog wild over all the data we collect.
IAU的定义不会改变我们将要用探测器（新地平线号）去探测冥王星的事实，科学家仍旧会因我们探测到的数据而兴奋不已。
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