The short answer is asteroids, not the ones you think of when you think of movies such as Armageddon, or Deep Impact, but asteroids nonetheless. Of course this leads to many other questions, primarily why doesn’t the Earth have huge craters too? Well the short answer to that one is we do have craters, of [...]
The short answer is asteroids, not the ones you think of when you think of movies such as Armageddon, or Deep Impact, but asteroids nonetheless. Of course this leads to many other questions, primarily why doesn’t the Earth have huge craters too? Well the short answer to that one is we do have craters, of [...]