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 variable star

Translation: étoile variable

Definition: These distant stars are seen to vary in brightness. The difference can be a result of changes or cycles in the star itself. We also see variations that are a factor of rotation patterns or eclipses caused by other celestial bodies nearby.

Other Definition: None

Synonym: None