Asteroids and comets have always been the subject of science fiction movies. Do these celestial bodies really threaten the Earth? What are asteroids and comets orbiting the sun, how did they form, where are they located or where do they come from? What is the difference between meteor, meteorite or shooting star? Is NASA doing a study for potentially dangerous asteroids? What are the most well-known comets and asteroids?
The answers to all these questions are in this space documentary.