16 years ago today, Pluto ceased to be a planet. Nine years later, it’s become a world

In July 2015, NASA’s New Horizons spacecraft sent home the first close-up images of Pluto. Getty Poor Pluto. On August 24, 2006, at the General Assembly of the International Astronomical Union (IAU), the ninth planet was cleared only 76 years after its discovery. Even stranger is that it was actually rejected, and by astronomers, not …

16 years ago today, Pluto ceased to be a planet. Nine years later, it’s become a world Read More »