Eris played a key role in which event in the astronomical community?
The Great Comet Discovery
International Space Station Building
Planet Definition Debate
The Search for Extraterrestrial Intelligence
Answer
The International Astronomical Union (IAU) defined a planet as a celestial body that (a) orbits the Sun, (b) has sufficient mass to assume hydrostatic equilibrium (a nearly round shape), and (c) has “cleared the neighborhood” around its orbit
Exploring the Celestial Journey: Unraveling the Enigma of Michael E. Brown