A relatively large near-Earth asteroid will safely fly by pur planet on September 1, 2017, according to NASA. (3122) Florence will pass safely by Earth on September 1, at a distance of about 4.4 million miles. Image credit: University of Colorado. Florence [full name (3122) Florence] is among the largest near-Earth asteroids that are several miles in size. The space rock was discovered by Schelte ‘Bobby’ Bus at Siding Spring Observatory in March...
