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 Heterodyne Instrument for the Far Infrared (HIFI)

Translation: instrument hétérodyne pour l’observation dans l’infrarouge lointain

Definition: One of the three instruments which will be part of the ESA's FIRST (Far InfraRed and Submillimetre Telescope) satellite, scheduled for launch in 2007.

Other Definition: None

Synonym: None