laskeutujat

Laskeutujat is a Finnish noun forming the plural of laskeutuja, meaning someone or something that descends or lands. The term is used in everyday language as well as in technical contexts, and its exact nuance depends on the surrounding text.

In technical and scientific usage, laskeutuja refers most often to a lander—an object or vehicle designed to descend from space or from an altitude and touch down on a surface. In spaceflight and planetary science, a laskeutuja is a spacecraft or part of a mission whose primary function is to land on the Moon, Mars, or another celestial body, sometimes carrying instruments for surface operations or deployment of experiments. The word helps distinguish landing craft from orbital or flyby components of a mission.

Etymologically, laskeutujat is formed from the verb laskeutua (to descend or land) with the agentive suffix -ja and the plural ending -t. As a general term, it can describe any entity that performs a descent to a surface, with the specific interpretation guided by context.

See also: laskeutuja (singular), laskeutuminen. In English-language discussions about spaceflight, the closest equivalent is landers. The term reflects Finnish practice of naming mission components by their primary functional role.