Joana Marques is an education researcher specialized in informal education of astronomy. She holds a degree in Physics, and a Master and PhD in Science and Mathematics Education. Her studies focus on the practices of informal education and public engagement with astronomy, including observations of the sky, planetarium sessions and museum visits, to understand the methods and strategies used by guides and public in the production of these activities. She has a wide experience working in museums, planetariums and other informal science education institutions, including the Science Museum of the University of Coimbra. Joana is also a member of PLOAD - the Portuguese Language Office of Astronomy for Development of the International Astronomical Union.