Direct detection of an asteroid’s heliocentric deflection: The Didymos system after DART

In September 2022, NASA’s Double Asteroid Redirection Test (DART) spacecraft crashed into Dimorphos and demonstrated the kinetic impact method of protecting Earth from asteroids. A fraction of the impulse delivered to Dimorphos was also imparted onto the Didymos system’s barycenter, changing its hel... View More