Already, stress fractures have appeared in the global system that keeps satellites from colliding. Last week, the European Space Agency announced that it boosted its Aeolus satellite into a higher orbit to avoid a collision with a recently-launched SpaceX satellite, Starlink 44, just one of a possible 12,000 satellites that could fly under Elon Musk’s banner by 2020. SpaceX initially rebuffed the agency’s warning of a possible collision, and blamed a software bug for not receiving updated figures from the U.S. military that might have spurred the American company to coordinate with the European agency.
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Although the possibility of two satellites colliding above our heads seems new and rather frightening, it has happened before. The first-ever recorded collision between two human-made satellites occurred 10 years ago, in 2009, and drastically changed how the world approaches space traffic management and debris mitigation.
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