If a scary asteroid will actually strike Earth, here's how you'll know
Mashable VR
MAY 22, 2022
Even much smaller rocks, of more than some 30 feet (10 meters), are still threatening, as the surprise 56-foot (17-meter) rock that exploded over Russia and blew out people's windows in 2013 , proved. The Meteor Crater in Arizona. What will happen when a threatening rock is actually en route to Earth, and detected? Credit: USGS.
144 
Let's personalize your content