Alert! Massive 500-ft Asteroid To Come Scarily Close To Earth On This Date, NASA Warns Times NowA giant 500-foot, building-sized asteroid is approaching Earth at a frightening speed MoneycontrolNASA sounds alert: Stadium-sized asteroid heading straight towards Earth at 16km per second Business Today4 large asteroids, including a skyscraper-size ‘city killer,’ will zoom past Earth in a 12-hour span today (Oct. 24) Livescience.comEarth in the firing line of asteroids: Six space rocks to come close on October 24 India Today Alert! Massive 500-ft Asteroid To Come Scarily Close To Earth On This Date, NASA Warns Times NowA giant 500-foot, building-sized asteroid is approaching Earth at a frightening speed MoneycontrolNASA sounds alert: Stadium-sized asteroid heading straight towards Earth at 16km per second Business Today4 large asteroids, including a skyscraper-size ‘city killer,’ will zoom past Earth in a 12-hour span today (Oct. 24) Livescience.comEarth in the firing line of asteroids: Six space rocks to come close on October 24 India Today Top stories – Google News