Microscope image of a small metallic sphere.
https://files.mastodon.social/media_attachments/files/110/277/426/992/416/460/original/6976e2f887c3c087.jpeg
I *think* I found some micrometeorites. The hook shaped thing is pointing at them. Magnetic, spherical-ish, metallic sheen. About 100 micrometres across, just visible to the naked eye. Collected from the roof of the school.
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