While most of space is vast and empty—hence the name “space”—the reality is that there are countless asteroids, comets and other debris zooming through our solar system as well. Most keep a safe distance, but many do, in fact, crash into Earth. A new IMAX movie, “Asteroid Hunters,” takes a look at the threat of a large asteroid impact on Earth, and what scientists can do to either prevent such a catastrophe, or at least properly prepare to survive with a minimal loss of life.
NASA does its best to monitor asteroids and their paths, and to keep track of those that enter Earth’s atmosphere and impact the planet’s surface. There are about