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Cosmic Dust

The Infinite Monkey Cage

CHAPTER

Cosmic Dust: A Micro Meteoroid

If you find a planetary scientist who settles you cosmic dust at a party, it probably is cosmic dust. The Earth moves through a very tenuous cloud of dust called the zodiacal cloud. And we sweep up that dust and that lands on Earth. We only call it cosmic dust once it's landed on Earth and we found it.

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