Web Results


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


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


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.


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.


Kids learn about the glossary and terms for the science of astronomy including words and definitions such as asteroid, comet, meteoroid, galaxy, eclipse, etc.


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  ...


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 ...


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  ...


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...


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