Question 27
On 15 February 2013, an asteroid with a diameter of 20 m entered Earth’s atmosphere above the city of Chelyabinsk, Russia. While the asteroid was still in the air, it exploded (Figure 14.14). As the asteroid was still about 30 km above the ground, it did not hit Earth directly. However, the resulting shockwave injured 1500 people and damaged 7200 buildings in six cities.
a. What could have happened if the asteroid did not explode in the air, but hit the ground instead?
a. What could have happened if the asteroid did not explode in the air, but hit the ground instead?
