Meet the Asteroid That Could Smash Into Earth in 2880

There are over 10,000 near-Earth objects (NEOs) that have been identified so far, asteroids and comets of varying sizes that approach the Earth’s orbital distance to within about 28 million miles (45 million km). Of the 10,000 discoveries, roughly 10 percent are larger than six-tenths of a mile (one kilometer) in size – large enough to have…