Pluto was reclassified from a planet to a **dwarf planet** in 2006 due to a new definition of what constitutes a planet, as set by the **International Astronomical Union (IAU)**. Before that, Pluto was considered the ninth planet in the solar system since its discovery in 1930. However, advances in

Differentiation Between Terrestrial and Gas Giant Planets The eventual type of planet that forms depends on its distance from the star and the materials available in that region of the disk. The disk can be divided into two key regions: Inner disk (closer to the star): In this region, te

### The Planets of the Solar System The solar system is a vast and complex network of celestial bodies bound together by the gravitational pull of the Sun. At the heart of it are the planets, large objects that orbit the Sun and dominate the system. There are eight recognized planets in the solar