| Meteors, Asteroids and Comets |
|
When a 20-meter asteroid struck the Tunguska forest in Siberia, trees were
incinerated in a 9-mile radius and knocked over in a 25-mile radius. Luckily, the
asteroid did not strike a heavily populated area.
Credit: Smithsonian Institution
|
01/14/09
|
|
| |
Viewed: 788 times
|
|
|
|
|
