Question

why is pluto called a dwarf planet ?

Answer 1

The world was introduced to dwarf planets in 2006, when petite Pluto was stripped of its planet status and reclassified as a dwarf planet. The International Astronomical Union (IAU) currently recognizes two other dwarf planets, Eris and Ceres.




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Answer 2

Concept introduction:

A dwarf planet is a tiny planetary-mass object that orbits the Sun directly and is smaller than any of the other eight planets but still qualifies as a separate world. Pluto is the model dwarf planet. Planetary geologists are interested in dwarf planets because they may exhibit planetary geology since they are potentially differentiated and geologically active worlds. This anticipation was confirmed by the $2015$ Dawn mission to Ceres and the New Horizons mission to Pluto.

Explanation:

Given that, pluto is a dwarf planet.

We have to find, why it is called dwarf planet.

According to the question,

When tiny Pluto was demoted from planet status to that of a dwarf planet in $2006$, the world was first introduced to dwarf planets. Eris and Ceres are two more dwarf planets that are officially recognized by the International Astronomical Union (IAU).

Final Answer:

When tiny Pluto was demoted from planet status to that of a dwarf planet in $2006$, the world was first introduced to dwarf planets.

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