Asteroid 2016 NF3 dubbed ‘potentially hazardous’ to speed past Earth at 300 miles a SECOND AN asteroid named 2016 NF3 is set to speed past the Earth at 300 miles per second this week before a second space rock skims past the atmosphere days later. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:What Was Lost in the Brazil National Museum FireStrange footprints discovered FOUR KILOMETRES beneath ocean surfaceMuseum Fire in Brazil Was ‘Bound to Happen’Airport Security Trays Carry More Cold Germs Than Toilets, Study FindsLife on Saturn? What is this mysterious ‘towering HEXAGON’ in Saturn’s atmosphere?Asteroid WARNING: Scientists to nudge asteroids towards EARTH