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Space sciences/Planetary science/Geomorphology/Impact features

Launched over ten years ago, the MESSENGER spacecraft from NASA is now reaching its final destination.
Entrants may nominate historically significant visual artists, writers, and musicians for the five unnamed landmarks.
NASA's MESSENGER mission to Mercury needs your help naming geological features on the planet's surface!


Researchers have identified new surface features that appear on Mars’ slopes during the warm season and fade in the cold season. These clusters of dark lines could potentially be formed by flowing, salty water, though the observations reported in this study do not prove that.