Kirch published work on the conjunction of Jupiter and Saturn in 1712.
In 1712, Maria Margaretha Kirch published work on the approaching conjunction of Jupiter and Saturn. The exact day is not given in the available source material, but the year is clearly documented.
This publication extended the pattern established in her earlier work: careful astronomical observation converted into printed scientific knowledge. Conjunctions of major planets were especially important in calendrical and ephemeris work, which required accurate predictions and sustained mathematical labor. Kirch’s contribution shows that she was a working astronomer who remained active beyond her celebrated comet discovery.
In the social context of her time, publication under a woman’s name was itself notable. Kirch’s 1712 work therefore carries significance in two ways: it reflects the practical astronomy of the period, and it demonstrates continued female authorship in a discipline where women’s intellectual labor was often invisible. The publication helped preserve her reputation as one of the best-known women astronomers of the early eighteenth century.