国际天文联合会 meaning in English
international astronomical union
union astronomique internationale
Examples
- International astronomical union , iau
国际天文联合会 - Union astronomique internationale
国际天文联合会 - After a tumultuous week of clashing over the essence of the cosmos , the international astronomical union stripped pluto of the planetary status it has held since its discovery in 1930
经过一周对宇宙本质混乱的冲突后，国际天文联合会剥除冥王星自一九三0年发现以来的行星地位。 - According to the new rules for a planet adopted at an international astronomical union meeting in prague , pluto doesn ' t make the grade for a planet : " a celestial body that is in orbit around the sun , has sufficient mass for its self - gravity to overcome rigid body forces so that it assumes a nearly round shape , and has cleared the neighborhood around its orbit . " pluto is automatically disqualified because its oblong orbit overlaps with neptune ' s
根据在布拉格举行的国际天文联合会会议通过的行星新定义，冥王星达不到行星的级别，即：在绕太阳的轨道上运转的天体，体积足够大使其自身的重力可以克服其刚体力呈近似圆球状，且能够清除其轨道附近的其他天体。