Webart Magic Astronomical Glossary

Ron Ziemiecki

An astronomical glossary from A to Z written in plain English and updated regularly to reflect the current changing meanings of popular words and phrases.

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Webart Magic Astronomical Glossary - Dictionary Index

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A: 1

Absolute
Absolute brightness
Absolute magnitude
Absolute reference frame
Absolute temperature scale
Absorption
Absorption band
Absorption line
Accretion
Accretion disk
Achondrite
Active Galaxy
Age of globular clusters
Age of open clusters
Age of stars
Age of the (Milky Way) galaxy
Age of the Earth
Airglow
Airy disk

Alexandrian library
Alpha Centauri (1)
Altazimuth Coordinates
Altitude
Amino acid
Andromeda galaxy
Angstrom
Angular measure
Angular momentum
Angular size
Anisotropic
Annular solar eclipse
Antimatter
Aperture
Apogee
Apollo asteroids
Apollo program
Apparent
Apparent brightness

Apparent magnitude
Apparent solar time
Apparition
Arc
Arc Degree
Arc-rings
Association
Asteroid
Asteroid belt
Asthenosphere
Astrology
Astrometric binary
Astrometry
Astronomical unit (AU)
Astronomy
Atom
Aurora
Azimuth