Watch Journey to the Microcosmos Season 6 Episode 38 Online
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- COUNTRIES: United States of America
- Subtitles: English
This might not look like much. But every day, tiny little things like this are raining down on our planet. Each one is small, about a millimeter across. But over the course of a year, each individual piece that makes its way to Earth’s surface adds up to around 30,000 tons.
