Success Criterion:

Image from the Surface: A mission counts as having “successfully soft‑landed” if, after touchdown, it survives long enough to capture and transmit at least one photograph taken directly from the surface of Mercury.

Live‑Stream Frames Excluded: Screenshots or frames grabbed from a landing livestream (e.g. a broadcast of descent) do not qualify. Only still images transmitted as scientific or engineering data after the touchdown count.

Unclear cases?

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