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.

The IAU's Working Group on Transits of Venus is encouraging the placement of memorial plaques at the sites of previous transit observations.

IAU的金星凌日工作小组并力促在过去曾观测凌日的地点设立纪念碑。

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。