Space Trash Poses Threat

Space has been described as the final frontier, and it's swimming with garbage.

As countries have raced to study the unknown, satellites and other debris have been circling the Earth. Collisions have become more imminent as new satellites are launched and others go offline. Yet, countries have failed to reclaim their devices.

What can be done to stop the proliferation of space trash? A treaty been nations could be a start. NASA should research removal tech, says Adam Minter.

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