A fireball that exploded over Canada has been traced to a very unexpected origin
The Earth is constantly bombarded from space. Dust, pebbles and chunks of rock fall into our atmosphere daily, sometimes burning up spectacularly in a fiery trail across the sky. These bolides, or fireballs, are usually larger chunks of asteroids or comets that broke away from their parent bodies and eventually fell into Earth’s gravity well. …
A fireball that exploded over Canada has been traced to a very unexpected origin Read More »