interface GalaxyArm
Reid et al. 2019, Table 2; angles increase with rotation from the Sun's direction.
universe/src/galaxy/arms.ts:2Members
endDegreesreadonly
endDegrees: number
idreadonly
id: string
kinkDegreesreadonly
kinkDegrees: number
kinkRadiusParsecsreadonly
kinkRadiusParsecs: number
pitchAfterDegreesreadonly
pitchAfterDegrees: number
pitchBeforeDegreesreadonly
pitchBeforeDegrees: number
startDegreesreadonly
startDegrees: number