After an eight year exile from the list of technical planets in our solar system, Pluto might be making its way back as our ninth celestial next-door neighbor.
Pluto’s journey through planethood started with its discovery and subsequent admission as our tiny ninth planet back in 1930. Skeptics emerged in 1977, when satellites showed that Pluto wasn’t just small, it wasn’t even the biggest planet in its orbit. Space truthers lurked around the astronomy community until they finally had their day in court during anInternational Space Union (IAU) conference in 2006. At the conference, officials outlined requirements for planet designation, including: