“Pluto was part of their mental landscape, the one they had constructed to organize their thinking about the solar system and their own place within it. Pluto seemed like the edge of existence. Ripping Pluto out of that landscape caused what felt like an inconceivably empty hole.” On August 25, 2006 the International Astronomical Union met in Prague and voted on what a planet was and whether or not Pluto met those qualifications. I was about a week into my freshman year of college where […]