PROFILE Julia Plummer Professor of Science Education Pennsylvania State Univ University Park About informal science Projects My Sky Tonight: Early Childhood Pathways to Astronomy Research Storybooks and STEM: Using Books as a Tool to Support Early Childhood Family STEM Learning A longitudinal study of early elementary students' understanding of lunar phenomena after planetarium and classroom instruction Handout - Introducing your preschool audiences to science and astronomy Early Elementary Students' Development of Astronomy Concepts in the Planetarium Survey of the Goals and Beliefs of Planetarium Professionals Regarding Program Design Informal Science Educators' Pedagogical Choices and Goals for Learners: The Case of Planetarium Professionals