A Benevolent Sort of Asteroid Bombardment? - Universe Today
Celestial impacts can bring life as well as wipe it out, say the authors of a new study out of the University of Colorado at Boulder. A case in point: the bombardment of Earth nearly 4 billion years ago by asteroids as large as Kansas would not have had the firepower to extinguish potential early … Continue reading "A Benevolent Sort of Asteroid Bombardment?"