🎥 New AAS Journals Author Series video!
Madeline Lucey (University of Pennsylvania) & Cecilia Mateu (Universidad de la República Iguá) map the Milky Way’s RR Lyrae stars in 3D, revealing new details about the structure and shape of the Galaxy’s inner and outer halo. youtu.be/FY6IA7hH6HU ðŸ”