Tracking all the active satellites and orbital debris around the Earth is a challenging task, even for the US Defense Department. (credit: NASA)From Space Review:
Whenever the topic of space debris and satellites in orbit comes up a lot of numbers tend to get thrown around by a lot of different people, and it can be hard to keep all the figures straight. Compounding this is the superficial knowledge (at best) of the subject by many media commentators and the tradition of secrecy by the US military, the organization that has historically been the main keepers of the data on space debris.
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