That's because of a brand new discovery by the International Astronomical Union.

这是因为国际天文学联合会的最新发现。

Pluto's fate was taken up by an international organization ... the International Astronomical Union.

冥王星的命运最终由国际天文学联合会决定。

That's when the International Astronomical Union voted to reclassify Pluto as a dwarf planet.

那时国际天文联合会投票将冥王星评级为矮行星。

But I actually didn't demote Pluto. That was a vote of the International Astronomical Union.

其实不是我的一家之言 而是国际天文联合会投票决定的。

In 2006, the International Astronomical Union removed Pluto from this list and reclassified it as a dwarf planet.

2006 年，国际天文学联合会将冥王星从这一名单中删除，并将其重新归类为矮行星。

The Minor Planet Center under the International Astronomical Union confirmed the asteroid discovery and designated it 2022 AA.

国际天文学联合会下属的小行星中心确认了小行星的发现，并将其指定为 2022 AA。

But what the International Astronomical Union took away from Pluto, it has in a way, given back to Streator.

但国际天文联合会从冥王星那里拿走的，在某种程度上又还给斯特里特了。

The center –operated by the International Astronomical Union – continually records the positions of planets, moons and other space objects.

该中心由国际天文联合会运营，不断记录行星、卫星和其他太空物体的位置。

Until the announcement this morning by the International Astronomical Union of the discovery of an additional 10 moons about the gas-giant planet.

因为今天早上，国际天学文联合国宣布，他们发现木星这颗气态巨行星的卫星又增加了10颗。

Also, the International Astronomical Union has approved the naming of an asteroid after Wu Weiren, chief designer of the Chang'e lunar program.

此外，国际天文联合会已批准以“嫦娥”探月计划总设计师吴伟仁的名字命名一颗小行星。

Eventually astronomers who discovered asteroids were allowed to name them — through a lengthy proposal and acceptance process governed by the International Astronomical Union.

最终，发现小行星的天文学家被允许自行给它们命名——不过要通过由国际天文学联合会管理的一个冗长的提案和验收过程。

Those are groups of stars recognized by the International Astronomical Union.

这些是国际天文学联合会认可的恒星群。

The asteroid coded 381323 was discovered by astronomers from the Purple Mountain Observatory under the Chinese Academy of Sciences, and approved by the International Astronomical Union.

这颗编号为 381323 的小行星是由中国科学院紫金山天文台发现、国际天文学联合会（IAU）小行星命名委员会批准命名。

Meaning knock other space rocks out of the way if necessary and that's why the International Astronomical Union announced in 2006 that Pluto was no longer a planet.

也就是说，当轨道上出现其他太空陨石等物质时，它能够将其撞走。这就是国际天文联合会在2006年宣布冥王星不再属于行星的原因。

Once that's been done, the person or team responsible for the discovery will be given priority in naming the planet which needs to be confirmed by the International Astronomical Union.

一旦真正找到，负责发现这颗行星的人或团队将优先命名这颗行星，该命名需要得到国际天文学联合会的确认。

As discoverer of the new body, he gets to submit possible names to the International Astronomical Union, which will decide its official moniker.

作为新天体的发现者，他可以向国际天文学联合会提交可能的名称， 由国际天文学联合会决定其官方名称。

According to the rules agreed upon by the International Astronomical Union, Pluto was not really a planet, and on September 13, 2006, it was reclassified, along with the other similar small bodies, as a 'dwarf planet'.

根据国际天文联盟的决议，冥王星不是一个真正的行星，2006年9月13日，和其他相似星体一样，冥王星被定义为“矮行星”。