Last updated on May 4th, 2019
References:
- https://solarsystem.nasa.gov/planets/pluto/basic
- https://solarsystem.nasa.gov/planets/pluto/faq
- https://www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/what-is-pluto-k4.html
- https://solarsystem.nasa.gov/planets/pluto/faq
- http://www.geek.com/feature/11-awesome-facts-about-the-lovable-dwarf-planet-pluto-1629287/