An asteroid is heading towards Earth – how bad could it be? How big is the world’s largest asteroid crater? And what is Dead Wax? Hear the Off Ramp with Bob & Marcia Smith. (Image: JPL NASA)
An asteroid is heading towards Earth – how bad could it be? How big is the world’s largest asteroid crater? And what is Dead Wax? Hear the Off Ramp with Bob & Marcia Smith. (Image: JPL NASA)