<p><em>Space junk is the debris left behind from spent rocket stages and defunct satellites. Find out why the discovery of space junk particles in the stratosphere has implications for our environment and climate.</em></p>

Space junk is the debris left behind from spent rocket stages and defunct satellites. Find out why the discovery of space junk particles in the stratosphere has implications for our environment and climate.

Space Junk Particles Detected in Earth's Atmosphere

Dare to Know is a podcast published by David Morton Rintoul offering feature stories aimed at those who find meaning in understanding our universe, our place in nature and our humanity.

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Space Junk Particles Detected in Earth's Atmosphere

Space Junk Particles Detected in Earth's Atmosphere

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