skyandtelescope.org/astronomy-terms
Astronomy Terms · Angular Size and Distance The apparent size of an object in the sky, or the distance between two objects, measured as an angle. · Aperture
www.seasky.org/astronomy/astronomy-glossary.html
Glossary of Astronomy Terms · Absolute Magnitude A scale for measuring the actual brightness of a celestial object without accounting for the distance of the ...
www.novac.com/wp/fp/resources/glossary
Asteroid Belt – The region of the solar system lying between 2.1 and 3.3 astronomical units (AU) from the Sun. The great majority of asteroids are found in the ...
en.wikipedia.org/wiki/Glossary_of_astronomy
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 ...
www.timeanddate.com/astronomy/explanation-terms.html
Astronomical Glossary - Terms & Definitions · Albedo In astronomy, the term albedo refers to the brightness of an object in space. · Altitude (elevation) Altitud...
www.icq.eps.harvard.edu/ICQGlossary.html
Glossary of (comet and) astronomical terms. · Altitude. · Aperture. · Aphelion. · Arc minutes. · Astrometry. · Astronomical Unit (AU). &m...
ned.ipac.caltech.edu/level5/Glossary/Glossary_A.html
A comprehensive glossary and lexicon of terms and definitions for astronomy, cosmology, astrostatistics, particle physics, galaxies, galactic and extragalactic ...
ned.ipac.caltech.edu/level5/Glossary/frames.html
It is designed to cover all of astronomy, including particle physics and some statistics; in this sense the Glossary is a slight departure from the extragalactic focus of .....
hubblesite.org/glossary
Astronomers from all over the world use the Hubble Space Telescope. Astronomical Unit (AU). The average distance between the Earth and the Sun, which is ...
www.ducksters.com/science/physics/astronomy_glossary_and_terms.php
Kids learn about the glossary and terms for the science of astronomy including words and definitions such as asteroid, comet, meteoroid, galaxy, eclipse, etc.