Asteroid Bennu Has a Chance for Gigaton Impact Around 2175-2199
The Palermo Technical Impact Hazard Scale for asteroids is a logarithmic scale used by astronomers to rate the potential hazard of impact of a near-earth object (NEO). It combines two types of data—probability of impact and estimated kinetic yield—into a single “hazard” value. A rating of 0 means the hazard is equivalent to the background …