NASA's Iron Dome? Israeli astronomer talks planetary defense
Polishook is an astronomer and planetary scientist at Israel’s Weizmann Institute of Science and is a noted expert in asteroids.
This illustration depicts NASA's Double Asteroid Redirection Test (DART) spacecraft prior to impact at the Didymos binary asteroid system. DART's target asteroid is the moonlet Dimorphos, which orbits the larger asteroid Didymos; the pair are not a threat to Earth.(photo credit: NASA/Johns Hopkins APL/Steve Gribben)Updated: 
