Unexpected collision Planets and the colossal scale of galaxy collisions, evidence that the universe is heading collision . When the universe produces a pair, the Earth can get in the cross fire. The past of our planet overshadowed by the era of extinction. Our future is also under threat. Of course such a tragedy happen again: the question of when? Learn about the most powerful collisions in space and meet with the people who protect us from their disastrous consequences.
Space, celestial bodies, astronomy