Excellent quality installation. Refined fuel available. Annual maintenance overhaul available. Shipyard capable of constructing starships and non-starships present. Naval base and/or scout base may be present.

Good quality installation. Refined fuel available. Annual maintenance overhaul available. Shipyard capable of constructing non-starships present. Naval base and/or scout base may be present.

Routine quality installation. Only unrefined fuel available. Reasonable repair facilities present. Scout base may be present.

Poor quality installation. Only unrefined fuel available. No repair or shipyard facilities present. Scout base may be present.

Frontier installation. Essentially a marked spot of bedrock with no fuel, facilities, or bases present.

No starport. No provision is made for any ship landings.

No atmosphere, requires use of a vacc suit.

Trace atmosphere, requires use of a vacc suit.

Very thin tainted atmosphere, requires a combination respirator/filter mask for survival.

Very thin atmosphere, requires the use of compressors to insure sufficient oxygen to breathe.

Thin tainted atmosphere, requires the use of filter masks.

Thin atmosphere, breathable without assistance.

Standard atmosphere, breathable without assistance.

Standard tainted atmosphere, requires the use of filter masks.

Dense atmosphere, breathable without assistance.

Dense tainted atmosphere, requires the use of filter masks.

Exotic atmospheres require the use of oxygen tanks, but protective suits are not required.

Corrosive atmospheres require the use of protective suits or vacc suits.

Insidious atmospheres require the use of protective suits or vacc suits, and will defeat any personal protective measures in 2 to 12 hours.

No government structure. In many cases, family bonds predominate.

Government by a company managerial elite; citizens are company employees.

Government by advice and consent of the citizen.

Government by a restricted minority, with little or no input from the masses.

Government by elected representatives.

Government by specific individuals for those who agree to be ruled. Relationships are based on the performance of technical activities which are mutually beneficial.

Government by an imposed leadership answerable to an outside group. A colony or conquered area.

No central ruling authority exists; rival governments compete for control.

Government by agencies employing individuals selected for their expertise.

Government by agencies which are insulated from the governed.

Government by a single leader enjoying the confidence of the citizens.

A previous charismatic dictator has been replaced by a leader through normal channels.

Government by a select group, organization, or class enjoying the overwhelming confidence of the citizenry.

Government by a religious organization without regard to the specific needs of the citizenry.