I heard that Pluto, which was once considered a planet in our solar system, was removed from the list of planets. I want to know the reason behind this decision.
6 answers
Alessandro
Tue Nov 05 2024
The International Astronomical Union (IAU) made a significant decision regarding the classification of Pluto.
Claudio
Mon Nov 04 2024
As a result of this, the IAU downgraded Pluto's status to that of a dwarf planet.
EnchantedSeeker
Mon Nov 04 2024
The reason behind this decision was that Pluto did not meet all the criteria set by the IAU to be considered a full-sized planet.
OpalSolitude
Mon Nov 04 2024
The IAU uses three main criteria to define what constitutes a planet.
CoinMasterMind
Mon Nov 04 2024
Pluto fulfills two of these criteria but fails to meet the third one.