How to Kill an Asteroid – The Real Science of Planetary Defense - Robin George Andrews

There are approximately 25,000 “city-killer” asteroids in near-Earth orbit—and most are yet to be found. Small enough to evade detection, they are capable of large-scale destruction and represent our greatest cosmic threat. But in September 2022, against all odds, NASA’s Double Asteroid Redirection Test (DART) mission deliberately crashed a spacecraft into a carefully selected city-killer, altering the asteroid’s orbit and proving that we stand a chance against them. In How to Kill an Asteroid,... Zobrazit více