NASA asteroid CRASH: Why did NASA miss rouge asteroid just hours before impact? AN ASTEROID barrelling towards Earth this weekend was spotted just eight hours before it spectacularly slammed into the atmosphere over Africa, space boffins at NASA have admitted. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Before Vaquitas Vanish, a Desperate Bid to Save ThemSpaceX Plans to Send 2 Tourists Around Moon in 2018SpaceX to fly tourists to the Moon NEXT YEAR opening up route to WORLDIn California, a Move to Ease the Pressures on Aging DamsTake a Number: For Some Arctic Plants, Spring Arrives Almost a Month EarlierA Facebook-Style Shift in How Science Is Shared