The scientists were already investigating the problem of pollution from space debris when they realised a SpaceX Falcon 9 had failed in flight.
"Space regulations don't cover the new problems emerging - interference with astronomical observations, risk of collision in orbit, risk of stuff falling on our heads, and now it is becoming clear, atmospheric pollution," says Andy Lawrence, Professor of Astronomy at the University of Edinburgh.
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此外，在盧旺達與剛果民主共和國之間，兩國在華盛頓簽署和平協議後仍爆發戰鬥。，这一点在搜狗输入法2026中也有详细论述
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