Pluto should be a planet again - and here's why
The reason Pluto lost its planet status is not valid, according to new research.
In 2006, the International Astronomical Union, a global group of astronomy experts, established a definition of a planet that required it to "clear" its orbit, or in other words, be the largest gravitational force in its orbit, Science Daily reports.
Since Neptune's gravity influences its neighboring planet Pluto, and Pluto shares its orbit with frozen gases and objects in the Kuiper belt, that meant Pluto was out of planet status.
However, in a new study from the University of Central Florida in Orlando, planetary scientist Philip Metzger reported that this standard for classifying planets is not supported in the research literature.
Lead author on the study, Metzger recommends classifying a planet based on if it is large enough that its gravity allows it to become spherical in shape.