Pluto: From Planet to Dwarf Planet 🌠⁠ ⁠ Once known as the ninth planet, Pluto was discovered back in 1930 and has an extraordinary journey around the Sun that lasts 248 Earth years. 🌞⁠ ⁠ In 2006, everything changed for Pluto. The International Astronomical Union redefined what it means to be a “planet.” Sadly, Pluto didn’t fit the new criteria, and it was reclassified as a dwarf planet. 🌑⁠ ⁠ By the year 2178, Pluto will have made one full lap around the Sun since its discovery. This distant w