 |
|
| 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 |
|
|
effective radius
The distance from the center of a galaxy from within which half the galaxy's luminosity is emitted.
Related entry
• Holmberg radius
Related category
• GALAXIES
Also on this site:
Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History
Transport Concepts & Designs (partner site)