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These are some of the most common astronomy terms used in the field. Browse the list to become more familiar with the hobby and science of astronomy.
Astrometry is the branch of astronomy dealing with the measurement of the positions and motions of heavenly bodies. Astronomical unit (AU) a unit of length which is equal to the mean distance of the earth from the Sun. Astronomy is the science that deals with the material universe beyond the earth’s atmosphere.
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 the alphabet below to jump directly to that section in the glossary listing.
ASTRONOMY | English meaning - Cambridge Dictionary. Meaning of astronomy in English. astronomy. noun [ U ] uk / əˈstrɒn.ə.mi / us / əˈstrɑː.nə.mi / Add to word list. C2. the scientific study of the universe and of objects that exist naturally in space, such as the moon, the sun, planets, and stars. Examples.
Compiled with the help of over 20 expert contributors under the editorship of renowned author and broadcaster Ian Ridpath, A Dictionary of Astronomy covers everything from space exploration and the equipment involved, to astrophysics, cosmology, and the concept of time.
- Ian Ridpath
Glossary of astronomy - Wikipedia. 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.
Astronomy Background 2.8 • Glossary of Basic Astronomical Terms Page 2 Cosmology The branch of astronomy that deals with the properties of the universe as a whole — as a single system. Topics that cosmologists think about include the organization, origin, and ultimate fate of the uni-verse. D Dark Energy The energy that is causing the expansion
