Why is Pluto not a planet? <br /> <br />Pluto lost its status as a planet in 2006 but its reclassification as a "dwarf" world actually puts it into an exciting new category. <br />Dr Marek Kukula, the Public Astronomer at the Royal Observatory Greenwich, charts the history of the diminutive object that orbits some five billion kilometres from the Sun. <br /> <br /> <br />I luv cosmo! <br /> <br />Reference <br />https://www.youtube.com/watch?v=iIk29MnzZWA
