One of the stalwart units of astronomy just got a makeover. The International Astronomical Union, the authority on astronomical constants, has voted unanimously to redefine the astronomical unit, the ...
The sun still shines as bright, but according to the International Astronomical Union (IAU), its precise distance from us has just changed. At a recent meeting of the IAU in Beijing, China, members ...
Without fanfare, astronomers have redefined one of the most important distances in the Solar System. The astronomical unit (au) — the rough distance from the Earth to the Sun — has been transformed ...
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