nanorover
n.— «Would the rover descend into the crater or just peer over the edge? Would it launch a much smaller tethered rover—a “nanorover” in the current Esa phraseology—or fire harpoons down into the dark ice?» —“Europe’s lunar vision blossoms” by Richard Black in Vienna BBC News Apr. 10, 2005. (source: Double-Tongued Dictionary)
Further reading
The edge of the Grand Canyon. A remote mountaintop. A medieval cathedral. Some places are so mystical you feel like you’re close to another dimension of space and time. There’s a term for such locales: thin places. And: did you ever go...
Sure, there’s winter, spring, summer, and fall. But the seasons in between have even more poetic names. In Alaska, greenup describes a sudden, dramatic burst of green after a long, dark winter. And there are many, many terms for a cold snap...