The Outer Planets: the Asteroid Belt

The video discusses the impact of an asteroid collision with Earth, which is believed to have caused the extinction of dinosaurs. It highlights a crater in Arizona as an example of such an impact. The video explains that asteroids are rocky and metallic objects in the solar system, primarily found in the asteroid belt between Mars and Jupiter. These objects are remnants from the solar system's formation. Over 4000 asteroids have been named and numbered, with many more remaining unnamed.

What is the asteroid belt and where is it located?

How many asteroids have been numbered and named by astronomers?