cosmic spherules

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cosmic spherules [¦käz·mik ′sfe·rülz]

(geological chemistry)

Solidified, millimeter-sized to microscopic, rounded particles of extraterrestrial materials that melted either during high-velocity entry into the atmosphere or during hypervelocity impact of large meteoroids onto the earth's surface.

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cosmic microwave radiation
cosmic noise
cosmic radiation
cosmic radio waves
cosmic ray
cosmic rays
cosmic sediment
cosmic spherules
cosmic string
cosmic year
cosmic-ray shower
cosmic-ray telescope
Cosmocercidae
Cosmocercoidea
cosmochemistry

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