When the vote to demote Pluto took place, only 237 members of the IAU supported the resolution to redefine Pluto as a dwarf planet and 157 voted against it. The IAU general assembly convenes again ...

But, they may not have to be. When Pluto lost planet-status, only 394 of the almost 10,000 members of the organization voted on the resolution, with 237 supporting it and 157 opposing.

These images of Pluto from the Long Range Reconnaissance Imager on NASA's New Horizons spacecraft show views of the dwarf planet as it rotates, revealing details about the dimensions of its dark ...