Redefining planets: An answer in search of a question

    Redefining planets: An answer in search of a question

    Source: Blastr
    Published: 02/22/2017

    "A group of astronomers is proposing a new definition of what a "planet" is, which would now include Pluto...as well as a hundred other solar system objects. This is a definition we want, but is it a definition we need?..."