Question: What country did Antonia Ferrin Moreiras work in while accomplishing her contributions to Astronomy?
Sentence (from "Division on Dynamical Astronomy"): The Division on Dynamical Astronomy is a branch of the American Astronomical Society that focuses on the advancement of all aspects of dynamical astronomy, including celestial mechanics, solar system dynamics, stellar dynamics, as well as the dynamics of the interstellar medium and galactic dynamics, and coordination of such research with other branches of science.
Relevant evidence: No