NACA created the role of Civil Servant: someone who works for executive, legislative branch but isn't an elected official. It was so that people of color could still be commuters while still in keeping with Virginia's "seperate but equal" policies.
A white dwarf, also called a degenerate dwarf, is a stellar core remnant composed mostly of electron-degenerate matter. A white dwarf is very dense : its mass is comparable to that of the Sun, while its volume is comparable to that of Earth.