Space and Solar Definitions - Q

Quasi-stellar object observed mainly in radio waves. Quasars are extragalactic objects believed to be the very distant centers of active galaxies.

Quiescent Prominence (Filament)

Long, sheet-like prominences nearly vertical to the solar surface.

Quiet

A descriptive word specifically meaning geomagnetic levels such that ap < 8.

(2) Solar activity levels with less than one chromospheric event per day