Traveling to space? Get 100 years ago, that was the most ridiculous idea ever. Now, the launching of a satellite and even sending astronauts to the International Space Station has become a standard.
However, going back and forth to space all the time apparently leaves a bunch of debris behind. Basically, people did in space what they’ve done on Earth: pollute. Stuart Grey made this animation demonstrating the accumulation of space debris over the past 60 years.