The solar system may contain as many as 1011 comets, most of them in a giant cloud stretching into interstellar space but still gravitationally bound to the sun. Astronomy is the scientific study of the stars, planets, and other natural objects in. Asteroid belt an area between the orbits of mars and jupiter where millions asteroids orbit the sun. An annotated glossary of amateur astronomy acronyms and terms this is not intended to be a comprehensive dictionary, but a selected list of the common acronyms and terms used by amateur observers. This book is rich in peculiarities for the interested observer the independentthe revised second edition of this established dictionary contains over 4,300 uptodate entries covering all aspects of astronomy. Glossary of astronomical and cosmological terms tutorial. H624 1997 ref supplies and summarizes the historical research and studies in the field of astronomy. Glossary of astronomy terms astronomy reference guide on. Pdf a glossary of astronomical terms or what every. Aurora various colored lights in the northern and southern skies. Atmosphere an envelope of gases that surround a planet.
Cambridge dictionary of astronomy jacqueline mitton. Points about which the celestial sphere appears to rotate. Astronomy terms are used to describe the various phenomena in space. The larger size requires 8 pieces of paper and quite a bit of. In this section you can learn what every astronomy term means and how it helps us to better understand the cosmos. This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy.
Asteroid a minor planet,a chunk of rock smaller than planetsize but larger than a meteoroid, in orbit around a star. Astronaut a person who is specially trained to travel into outer space. A crossdisciplinary dictionary of energy terms defined in language understandable to experts in several related fields, this dictionary contains an alphabetical listing of words associated with fuel technology, energy sources and transformation, economics, and the environment. A ringone of three saturnian rings visible from earth. In astronomy, this term is often applied to the universe as a whole, which is postulated to be homogeneous. Browse and search thousands of astronomy abbreviations and acronyms in our comprehensive reference resource. Astronomy the branch of science that studies outer space, celestial bodies, and the universe.
This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their subdisciplines, and related fields. A series of compounds in which adjacent members of the series differ by a fixed unit of structure. Meaning, pronunciation, translations and examples log in dictionary. Astronomical unit au a measure of distance used for. Abbreviations, acronyms, and glossary of terms getting. Asteroid belt a region of the solar system, between the orbits of mars and jupiter, in which most of the asteroids orbit. Asteroid an asteroid is a celestial body made of rock and metal that orbits the sun. Now an employeeowned company, we pride ourselves on an unswerving commitment to best quality products, value and unmatched customer care. Astronomy is concerned with the study of celestial objects and phenomena that originate outside the atmosphere of earth. Browse the list of 10 486 astronomy acronyms and abbreviations with their meanings and definitions. Knowing some of the most oftused astronomy terms will help you better understand the nuts and bolts of stargazing and the science of astronomy. Albedo in astronomy, the term albedo refers to the brightness of an object in space. A spiral galaxy viewed from the side so that the disk containing the spiral arms appears to be a thin line of stars and dust crossing and extending beyond the bulge.
Find out the difference between a reflector and a refractor telescope. Black holes are formed when massive stars collapse. Dictionary of geophysics, astrophysics, and astronomy comprehensive dictionary of physics 1st edition. A accretion accumulation of dust and gas into larger bodies. In astronomy, the measurement of the light emitting from astronomical objects, generally in the visible or infrared bands, in which a specific or general wavelength band is normally specified. In astronomy, the term albedo refers to the brightness of an object in space. This barcode number lets you verify that youre getting exactly the right version or edition of a book. A glossary of astronomical terms or what every student of astronomy should know. Pdf defines the most commonly used terms in introductory astronomy using everyday language. Astronomy definition and meaning collins english dictionary. The milky way, the galaxy containing our solar system, is about 100,000 lightyears in diameter and about 10,000. Glossary of astronomical, cosmological, and space terms. 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. If you ever wonder the meaning of an astronomical word, search no further and browse below to find the definition of the space term.
Whats the difference between a reflector and a refractor. Dictionary of geophysics, astrophysics, and astronomy edited by richard a. Telescope and astronomy words, terms and definitions. Aabsolute magnitude also known as absolute visual magnitude. Glossary of astronomical terms absolute magnitude a scale for measuring the actual brightness of a celestial object without accounting for the distance of the object. Glossary of terms and astronomy acronyms iceinspace.
Nasa amazing space glossary of astronomy terms milky way is 100,000 lightyears across and,000 lightyears thick. Glossary of eclipse and astronomy terms by fred espenak. Albedo is measured on a scale from 0 to 1, where 0 refers to an object that is completely dark, i. Glossary of astronomy terms astronomy reference guide on sea. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Astronomy terms can help get you uptospeed some terms of stargazing and the science of astronomy. Black hole an area in space with gravity so intense even light cannot escape its pull. It is designed to cover all of astronomy, including particle physics and some statistics. The astronomy glossary aims to help you understand some of the terms used in this website.
Play sporcle s virtual live trivia to have fun, connect with people, and get your trivia on. This list also includes information on particle physics, as well as pertinent statistics, graphs, and. This glossary of astronomy terms contains definitions for some of the most common words used in astronomy, cosmology, astrophysics, and space exploration. List of all most popular abbreviated astronomy terms defined. The jansky was named to honor karl gothe jansky who developed radio astronomy in. A pattern formed by stars not recognized as one of the official 88 constellations. A typical radio source has a spectral flux density of roughly 1 jy.
An excellent reference on this topic is astronomical photometry. Glossary of astronomical, cosmological, and space terms based on latest observations related to the big bang, cmb, and flat space while noting that galaxy formation is impossible using the cosmological constant, dark energy, or expanding space and hydrogen thin as air. M55 2001 5203dc21 00064220 isbn 0 521 80045 5 hardback isbn 0 521 80480 9 paperback. Also referred to as the northern and southern lights. The amateur astronomy hobby contains words, labels, and technical terms that may seem be a little confusing for both beginners and the more experienced hobbyists.
The branch of astronomy dealing with the motions and gravitational interactions of objects in the solar system. A unit used in radio astronomy to indicate the flux density the rate of flow of radio waves of electromagnetic radiation received from outer space. It is surrounded by alternating rings of light and dark these are due to diffraction any light passing through an aperture is diffracted, and the effect is inversely. The normal size requires 2 pieces of paper per puzzle and can be solved on the students desk or on a table.
Achromatic lens a lens with two or more elements designed to produce an image substantially free from false colour airy disk the airy disk is the brightest spot formed by a star image as seen through a telescope. Youve probably seen or heard many unfamiliar terms while researching telescopes. A list of the astronomical terms used in the science u observatory pages. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Weve included the definitions of some of the most commonly used words in. Annular eclipse a type of solar eclipse in which a ring annulus of sunlight remains visible. Ive included two different sizes of the same puzzle. Ultimately, the glossary is designed to cover all areas of astronomy, from quarks to quasars. The andromeda galaxy or messier 31 m31 is the closest large galaxy to the milky way.
Asteroids can vary in size from a few feet across to hundreds of miles. You may click on any yellow highlighted word to jump directly to the definition for that astronomy word. If a virtual private party is more your thing, go here for details. A brief glossary of commonly used astronomical terms.
The field of astronomy features an extensive vocabulary and a significant amount of jargon. Derived from latin, albedo means whiteness albus white. During the maximum phase of an annular eclipse, the sun appears as a blindingly bright ring surrounding the moon. Dictionary of geophysics, astrophysics, and astronomy. Pdf glossary of basic astronomical terms researchgate. Part 1 part 2 part 3 part 4 faq age distances bibliography relativity.
Glossary of astronomy terms related to galaxies amazing space. An annotated glossary of amateur astronomy acronyms and. Find out the difference between a meteor and meteorite. Absolute magnitude measures how bright an object would appear if it were exactly 10 parsecs about 33 light years away from earth. Our astronomy glossary has the essentials of carefully sourced terms and definitions to answer many questions like. Join a live hosted trivia game for your favorite pub trivia experience done virtually. The a ring is farthest from the planet and is separated from the b ring by the cassini division. A sphere of very large radius centred on the observer. It is by no means a comprehensive astronomy dictionary.1325 19 1556 418 15 323 748 504 1069 1525 355 1054 218 1095 1513 648 1040 615 1420 1332 765 328 331 1264 1228 143 1363 564 151 281 1602 107 601 357 780 56 829 927 919 1403 922 102 395 533 799 67