Canadian Space Agency
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: The plane angle formed by the path of the object in question and the equatorial plane of the earth — given as 0° to 90° toward the North Pole and as 0° to -90° toward the South Pole.
Other Definition: None