Quiz: Pluto, planet or dwarf planet?

It's been 88 years since Pluto was discovered. It was 1930 when Clyde Tombaugh made the discovery. Named after the god of the underworld, Pluto holds a special place in many hearts.

For years, we were taught that it was the ninth and most distant planet from the sun. Then, it was demoted to a dwarf star.

As the debate continues to rage about Pluto's planetary status, take this quiz that looks at how well you know the most famous dwarf planet.