Teemu Öhman
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teemuohman.bsky.social
Teemu Öhman
@teemuohman.bsky.social
Geologist with a passion for impact cratering, planetary science and lunar exploration. Amateur astronomer, lover of atmospheric optics and history of science.

Also a part-time geologist of the Impact Crater Lake Lappajärvi UNESCO Global Geopark, Finland.
November 26, 2025 at 12:34 PM
November 2, 2025 at 4:12 PM