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。
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 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 decides the official names of all celestial bodies.
这一联合会确定所有天体的官方名称。
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 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。
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。
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。
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