Space debris: will it take a catastrophe for nations to take the issue seriously?

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This article was originally published at The Conversation. The publication contributed the article to **** e.com's Expert Voices: Op-Ed & Insights.
China routinely sends astronauts to and from its **** e station Tiangong. A crew capsule is about to undock from the station and return to Earth, but there's nothing routine about its journey home.
The Shenzhou-20 capsule will carry no crew, because one of its