An educator ship is used to educate the native population of a planet. Each turn the starship is in orbit above a planet, the planet tax efficiency increases by 5 percentage points, up to a maximum of 140% (Representative government). This increased tax efficiency generates increased taxes immediately.
Because the level of government increases by one step for every 20 percentage points, 4 turns will be required to raise the level of government by one step.
This ability is automatically activated when the starship in in orbit of a planet with a native government below the level of Representative.
See also: Out of Fuel.