Post #4295982

☄️ Billions of people—and multiple spacecraft—may see a ‘once-per-millennium’ asteroid flyby in 2029 ｢ Initial calculations suggested the roughly 340-meter-diameter rock had a one-in-37 chance of impacting Earth in 2029. Careful tracking, however, subsequently dropped those odds to zero. But Apophis’s close approach in 2029 will still offer “a once-per-millennium natural experiment ｣ https://www.scientificamerican.com/article/spacecraft-will-swarm-asteroid-apophis-during-fateful-2029-earth-flyby/ #apophis #science #asteroid