Article 1000 words Level: all audiences Emilia Ponzoni, Regina Colombo, Concetta Finardi and Luigia Panceri were all Sisters of the Holy Child Mary and were part of a global effort in the early twentieth century to make a complete map and catalog of the starry skies.  Carol Glatz discusses these nuns and their connection to the Vatican Observatory in this 2016 article. Click here to access this article via Catholic News Service. Click here to access this article via the National Catholic Reporter. Click here for a version of this article from the Smithsonian. Click here for a well-illustrated version from CityLab. Click here for a brief mention of these nuns in a 1919 article entitled “Woman’s Work in Astronomy”, by Dorothea Klumpke Roberts, published in the Publications of the Astronomical Society of the Pacific (courtesy of Google Books).