I guess this planetary naming convention is part of a tie in with the notable Pluto Switch: https://www.wired.com/2013/03/big-switch-indigo-switch_light/ https

I guess this planetary naming convention is part of a tie in with the notable Pluto Switch: https://www.wired.com/2013/03/big-switch-indigo-switch_light/ https://www.wired.com/2013/03/big-switch-indigo-switch_light... https://www.wired.com/2012/09/pluto-switch/ https://www.wired.com/2012/09/pluto-switch/