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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 celestial objects and phenomena that originate outside the atmosphere of Earth.
Knowing some of the most oft-used astronomy terms will help you better understand the nuts and bolts of stargazing and the science of astronomy. What’s the difference between a reflector and a refractor? Why is a meteor not a meteorite?
In astronomy, understanding the language and terms used can be a complex task for beginners. 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 the night sky.
The following are terms from A-Z related to space & astronomy: -A-. Absolute magnitude – also known as absolute visual magnitude, relates to measuring a heavenly object’s brightness when viewed from 10 parsec or 32+ light years.
This glossary of astronomy terms contains definitions for some of the most common words used in astronomy, cosmology, astrophysics, and space exploration.
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 universe. Astronomers use specialized terminology to describe cosmic objects, events, and processes.
Find planets, stars, and constellations in your night sky. Check the best dates and timings to see shooting stars from your location. Astronomical terms can be difficult to understand. Explore the definitions and explanations of such terms in our Astronomical Glossary.
Glossary of Astronomical and Cosmological Terms. absolute magnitude: the magnitude an object would have at the standard distance of 10 parsecs. absorption line: a more or less narrow range of wavelengths in a spectrum that is darker than neighboring wavelengths. Absorption lines are seen in stars.
The IAU OAE glossary contains definitions of astronomical terms that will often appear in educational contexts. Definitions are written by astronomers and reviewed by astronomers and teachers to ensure they are correct and easily understandable.
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 ICQ/CBAT/MPC World Wide Web pages.