What is the function of cosmic spherules mentioned in relation to remote collection sites?

Answer

They are tiny, melted beads of extraterrestrial matter that survive atmospheric entry

Cosmic spherules are identified as tiny, melted beads originating from extraterrestrial matter that manage to survive the journey through Earth's atmosphere and are collected in pristine locations like Antarctic ice sheets.

What is the function of cosmic spherules mentioned in relation to remote collection sites?
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