34 astronomy and space glossaries

Aero Space Guide – This glossary contains terms that are connected to astronomy, rocketry, space technology, as well as to the solar system.

All Words – A general space glossary/dictionary with a fairly large number of terms. The best thing about this particular glossary is the fact that it will explain all the meanings a word can have and it will give some brief information on its grammatical features as well.

Amazing Space – In this glossary, you can search for words both alphabetically and by category (astronomy, cosmology, galaxies, Hubble space, and so on).

Astronomy Know How – This is quite a rich resource for those looking for terms related to astronomy in general. The definitions of each term are short, easy to understand, yet they contain enough information as to make you understand the term.

Canadian Astronomy Education – Again, this is another general astronomy glossary. However, it contains more terms than the previously presented one and the explanations for each of the terms are even easier to understand.

Canadian Space Agency – An astronomy glossary with a large number of words, some of which you may have encountered in other similar glossaries as well. Still, if you are looking for a word that has not been included in the previously presented glossaries, or for further explanations of a word, this glossary may be useful.

Dokuz Eylul Universitesi – This is not a glossary proper, but more of a dictionary that contains terms related to astrophysics, geophysics and astronomy. In addition to being specialised, this particular glossary shows another advantage as well: it comes in a PDF format and you can save it on your computer.

Enchanted Learning – A fun, yet comprehensive and thoroughly researched glossary which contains some of the most encountered terms in the field of astronomy.

Espace Pour la Vie – A fairly rich and very well explained glossary of general astronomy terms.

European Space Weather Portal – This glossary focuses mostly on one part of the entire study of space: the space weather.

Fact Monster – A space glossary with some of the most important words in the field and pictures to exemplify each of them.

Hubble Site – A glossary covering some of the most important terms used in the fields of astronomy and space and some abbreviations as well.

I.R. Poyser Telescopes – This is a very short, compact glossary in which its creators have included the most common words used in astronomy.

Ice in Space (Australian Amateur Astronomy) – In addition to a fairly large number of words related to astronomy, this website has put together a list of astronomy acronyms and a list of modern constellations abbreviations as well.

International Comet Quarterly – This glossary brings together terms connected to astronomy in general and to comets in particular. Being created by the University of Harvard, you can consider it to be a very good and reliable resource.

International Meteor Organization – A glossary focusing mostly on terms related to meteors. It does not contain a very large number of words, yet they are specialised and very useful if you are looking for this kind of terminology.

Kid Cyber – This general astronomy glossary was originally dedicated to kids’ learning; thus, expect it to very, very easy to understand.

Kids Astronomy – This general astronomy glossary was originally dedicated to kids’ learning; thus, expect it to very, very easy to understand.

Mount Vernon School District – A fairly reach and easy to understand glossary focusing on space science-related terminology.

NASA/IPAC Extragalactic Database – This is probably one of the richest online glossaries focusing on space-related terms so there is a high chance that you will find whatever you are looking for here.

NF/Observatory – A glossary that covers the very basics when it comes to astronomy terminology.

Nine Planets – This glossary focuses mostly on terminology connected to the solar system and it also contains important names in the field.

Northern Virginia Astronomy Club – A rich glossary containing general astronomy terminology and which features short explanations.

Orion Telescopes and Binoculars – This is a glossary that contains some of the most common terms encountered in the field of astronomy as a hobby.

PhysLink – A very good and thoroughly researched glossary that brings together terms connected to both physics and astronomy.

Professor Chris Mihos – This general astronomy glossary contains terms you may have encountered in other glossaries as well, but its easy to understand explanations will give you a better grasp when it comes to certain terms.

Skynet – A general astronomy glossary that could be considered to be quite rich and in which the explanations are easy to understand.

Solar Space Station – The very basic terms connected to space and the solar system have been included in this short and easy to understand glossary.

Solar Views – This glossary contains quite a lot of terms connected to the solar system and the explanations are easy to understand for all of them.

Space Weather Prediction Center – This is one of the best online resources on solar and terrestrial terminology and the best part about it is the fact that you can download it as a PDF file as well.

The Observatory Science Centre – Most of the terms included in this astronomy glossary have not been included in other glossaries presented here. Moreover, the explanation for each term is very rich and pictures will be included where they can help your understanding of the term.

The Open University – Some of the most common astronomical terms out there (including those that are not necessarily encountered in a professional environment) are included in this short yet comprehensive glossary.

The Universe in the Classroom – This glossary has included those terms that are absolutely necessary to be known if someone wants to understand astronomy better.

Wikipedia – Wikipedia has also put together a list of terms connected to astronomy. If you want to find out even more information than what is provided in the term’s definition, simply click on the term itself and you will be redirected to a page with explanations dedicated entirely to it.