The Harvard-Smithsonian Center for Astrophysics, a few days ago, decided to once again solve the problem of "what actually is a planet?" The Harvard-Smithsonian Center for Astrophysics held a discussion between three prominent experts in planetary science, each of whom offered their case as to what a planet is or isn't.
The aim was to resolve a definition that the excited public viewers could agree on. The video of this discussion is now accessible online:
