Why Pluto isn't a planet anymore? Image src: https://www.forbes.com/ Pluto was the ninth planet of our solar system. Things were going exceptionally well for it until 2006, when International Astronomical Union said, 'Sorry, not everybody gets to be a planet'. Poor Pluto! But sometimes life isn't fair. So, what changed in 2006? Well, before 2006 there wasn't any strict definition of the word 'planet'. Instead, it was just an across-the-board given to celestial bodies that a) definitely weren't stars, b) also not asteroids or comets, and c) kind of large. But Pluto remained peculiar even with this definition. It was small, but not much farther out than one of the giant planets- Neptune. Also, it had an unusual orbit and a giant satellite. A giant satellite! Yes. Charon, one of Pluto's five natural satellite, is Pluto's largest satellite. At half the size of Pluto, Charon is the largest of Pluto's moons and the largest kno