NASA asteroid SHOCK: How astronomer spotted HUGE space rock ‘ON course for EARTH' AN AMATEUR astronomer identified an asteroid that was believed to be on track to strike Earth using a telescope in his back garden and he left NASA scientists stunned, a documentary revealed. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Mars at opposition 2018: How to see the Red Planet in the night skies this monthEclipse 2018: What is the best time to see the Blood Moon lunar eclipse next week?REVEALED: How the Earth will look if all the ice melted - Climate SHOCKHold Still, Butterflies. Britain Is Counting.Flying cars to be released NEXT YEAR - with built-in PARACHUTESEclipse 2018: Why is the July full moon called a Blood Moon? What is the Buck Moon?