This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields. Astronomy is concerned with the study of …

Our A–Z Astronomy Glossary makes complex space words simple. Whether you're just starting out or chasing deep-sky wonders, this guide will help you navigate the cosmos with confidence.

This glossary is designed to help demystify some of the most commonly used astronomy terms, making it easier for everyone to comprehend the celestial events and phenomena that occur in …

If you ever wonder the meaning of an astronomical word, search no further and browse below to find the definition of the space term. The following are terms from A-Z related to space & …

Jul 26, 2024 · Astronomy encompasses a vast array of fascinating terms and concepts. The field spans from celestial mechanics to astrophysics, covering phenomena both near and far in our …

This glossary of astronomy terms contains definitions for some of the most common words used in astronomy, cosmology, astrophysics, and space exploration. You can click on any letter of …

Astronomical terms can be difficult to understand. Explore the definitions and explanations of such terms in our Astronomical Glossary.

Browse through our astronomy dictionary to find definitions for some of the most common terms used in practical astronomy and space science. Click on one of the letters below to search for …

Glossary of (comet and) astronomical terms. Below are listed alphabetically some terms, with explanations, that one might encounter frequently in reading about topics on these …

Jul 18, 2025 · This glossary brings together concise, factual, and rigorous definitions of the main terms used in astronomy and astrophysics. Each term is presented with its technical definition …