A Chinese spacecraft that burned up high over Los Angeles created a sonic trail detected by ground-based sensors.
space junk
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Earth’s Orbit Is About to Get More Crowded
The military is launching a fleet of small, interconnected satellites to collect data, track missiles, and aim weapons.
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Flickers of Light Help Map the Space Junkyard
Researchers are identifying space debris by measuring its flickering patterns of reflected light.
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Space Is Polluted by Junk…and It’s Getting Worse
The major shift from state to commercial space programs, as well as a sharp rise in the number of upcoming launches, raises concerns about our efforts to manage the problem.