NASA’s spacecraft OSIRIS-REx has finally reached the asteroid 101955 Bennu – which may be on collision course with the Earth
Things fall from the sky. It happens. Rain, snow, sleet, and hail, maybe even birds, or the occasional clumsy squirrel. Asteroids, on the other hand — those generate some interest. Which is why when NASA’s Jet Propulsion Laboratory (JPL) reported that not one, but two small asteroids will come within a Moon’s distance of Earth this week, people took notice.