Andy Rivkin

Andy Rivkin is an astrophysicist and planetary scientist at Johns Hopkins University, known for his research in the field of planetary defense and asteroid characterization. His work involves analyzing the potential threats posed by near-Earth objects, including asteroids, and he has contributed significantly to understanding their trajectories and impacts. Recently, he was mentioned in relation to the asteroid 2024 YR4, which was initially thought to pose a risk to Earth but is now believed to have a chance of impacting the Moon instead.