These are the asteroids we may one day send spacecraft to, to mine them for minerals, but they're also the asteroids that may one day impact the Earth, like happened 60 million years ago with the extinction of the dinosaurs, or just at the beginning of the last century, when an asteroid wiped out almost 1,000 square miles of Siberian forest, or even just last year, as one burnt up over Russia, releasing the energy of a small nuclear bomb.
Na ove asteroide  bi možda mogli slati letjelice i rudariti minerale, ali ovo su asteroidi  koji bi jednom mogli i udariti u Zemlju kao prije 60 milijuna godina kada su izumrli dinosauri ili čak početkom prošlog stoljeća kada je asteroid uništio preko 2500 kvadratnih kilometara  Sibirske šume ili pak prošle godine,  kada je jedan izgorio iznad Rusije i ispustio energiju male nuklearne bombe.