Tune in tomorrow for a live Q+A with 2020 nobelprize_org Laureate in #physics Andrea Ghez and Brian Greene. They will discus her groundbreaking discovery of a supermassive black hole at the center of the galaxy. The converastion kicks off at 3:00pm EDT. Click the link in our bio to join. #worldsciu #blackholes #womeninscience #astrophysics #astronomy