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Posts by Michael Zolensky

NASA’s Cosmic Dust Program: Collecting Dust Since 1981

Cosmic dust refers to particles that originate from the interplanetary medium and that have a diameter of ~100 µm or smaller (Brownlee 1985). This material, also known as interplanetary dust particles (IDPs), can be collected directly from Earth’s atmosphere. NASA has collected particles in the stratosphere for nearly three decades.

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