As Likely As...

As Earth orbits the sun, it runs into a lot of debris. Small pieces burn up in the upper atmosphere - we call these shooting stars, or meteors. A bigger piece might last longer and burn brighter - a fireball. It might even explode! Exploding fireballs are bolides, or airbursts - they explode above the ground and release energy like a bomb...

Play with the sliders to see how likely these different things are:

Earth Populated Urban You
Audible Chelyabinsk Tunguska


What would happen?