Uploaded February 2017 | Updated September 2026, 4 hours ago
Jan. 25, 2017
Dr. Andrea Ghez (University of California, Los Angeles)
By measuring the rapid orbits of the stars near the center of our galaxy, Dr. Ghez and her colleagues have moved the case for a supermassive black hole at the heart of the Milky Way from a possibility to a certainty. She reports on her pioneering observations and discusses some of the surprising results this work has led to.
Jan. 25, 2017
Dr. Andrea Ghez (University of California, Los Angeles)
By measuring the rapid orbits of the stars near the center of our galaxy, Dr. Ghez and her colleagues have moved the case for a supermassive black hole at the heart of the Milky Way from a possibility to a certainty. She reports on her pioneering observations and discusses some of the surprising results this work has led to.










