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www.naasbeginners.co.uk/atoz.htm

The measure used for the brightness of astronomical objects as seen in the sky. ... The terms spectrograph and spectrometer may also be encountered.

www.icq.eps.harvard.edu/ICQGlossary.html

Glossary of (comet and) astronomical terms. · Altitude. · Aperture. · Aphelion. · Arc minutes. · Astrometry. · Astronomical Unit (AU). &m...

www.researchgate.net/publication/261726046_Glossary_of_Basic_Astronomical_Terms

PDF | Defines the most commonly used terms in introductory astronomy using everyday language. | Find ... catalog turned out to be a pioneering list of the most.

ned.ipac.caltech.edu/level5/Glossary/frames.html

It is designed to cover all of astronomy, including particle physics and some ... The references cited throughout the LEVEL5 Glossary come from the list below.

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.

astrosociety.org/file_download/6d74a24f-8f38-4f4d-8ffa-5aa341c77d0f

But the catalog turned out to be a pioneering list of the most noticeable nebulae, star clusters, and galaxies, and is still used today. Astronomers often call objects  ...

public.nrao.edu/glossary

Search for and learn about common radio astronomy glossary terms. ... List of Terms ... Astronomical unit (au): A unit of distance equal to the average distance ...

www.the-observatory.org/astronomy-glossary

The M refers to Charles Messier an 18th century French astronomer and comet hunter. He compiled a list of deep sky fuzzy looking objects so they would not be  ...

spaceplace.nasa.gov/glossary

A-F G-M N-R S-Z · Asteroid: Rocks floating around in space. · Atmosphere: The gases held by gravity around Earth and around other planets. · Atom: The basic&n...

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