noun
the seven luminaries
Astronomical term for the seven classical celestial bodies: sun, moon, Mercury, Venus, Mars, Jupiter, and Saturn. Used in historical or technical contexts.
七曜とは、太陽、月、水星、金星、火星、木星、土星の七つの天体を指す。
The seven luminaries refer to the seven celestial bodies: the sun, moon, Mercury, Venus, Mars, Jupiter, and Saturn.
noun
the seven days of the week
Refers to the seven days of the week as a set, often in the context of the traditional Japanese calendar or the naming of the days after the seven luminaries.
七曜の名前は、天体に由来している。
The names of the seven days of the week are derived from celestial bodies.