Almost 20 years after Pluto was infamously downgraded from its status as a planet, scientists now believe they have discovered a new planet in our solar system. advertisement.

Though Pluto has formally been considered a dwarf planet for almost two decades, it still has many lessons left for planetary scientists — including hints about how the solar system formed.

Pluto is 100 miles smaller than the smallest planet but is not a major planet. Here's which planet in our solar system takes the title instead.

An illustrated diagram of the sun and the planets of the solar system. (Image credit: SCIEPRO via Getty Images) Researchers discovered the 12 potential massive objects around 60 AU from the sun ...

Though Pluto has formally been considered a dwarf planet for almost two decades, it still has many lessons left for planetary scientists — including hints about how the solar system formed.

Learn about the Solar System with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize.