Astronautics Vocabulary

The Astronautics Vocabulary is a glossary of terms that pertain to the science and technology of spaceflight. This alphabetical list can be navigated by clicking on the letters A-Z displayed on this page.

Definition of fine error sensor (FES)

Translation: appareil de pointage fin

Definition: Imager providing accurate pointing information to the observation platform by taking ultra-precise pictures of stars, comets and planets.

Other Definition: None

Synonym: None