Big asteroid to pass safely by Earth on Sep 1: NASA
(World News Science)

WASHINGTON: A large near-Earth asteroid will pass safely by our planet on September 1, at a distance of seven million kilometres, or about 18 Earth-Moon distances, according to NASA. Asteroid Florence is among the largest near-Earth asteroids that are several miles is size. Measurements from NASA`s Spitzer Space Telescope and NEOWISE mission indicate it is about 4.4 kilometres in size. `While many known asteroids have passed by closer to Earth than Florence will on September 1, all of those were estimated to be smaller,` said Paul Chodas, manager of NASA`s Center for Near-Earth...