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 solar system

système solaire
The sun and the celestial bodies moving about it; the bodies are planets, satellites of the planets, asteroids, comets and meteor swarms.
Other Definition:
That portion of our galaxy which is subject to the gravity of the sun.
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