NASA asteroid warning: How scientist predicted entire US city would be DESTROYED

“Clothing would ignite, you would suffer third-degree burns, it would be devastating.”

However, Dr Melosh, who earned physics and geology degrees from Princeton University, revealed that mankind could be saved.

He added: “In space, we would use a mirror like a magnifying glass. 

“As we hit the asteroid, we begin to vaporise material, and as it vaporises, the asteroid gets pushed the other way.