Definitions
Antoniadi scale Tweet Definition of Antoniadi scale Like Definition of Antoniadi scale on Facebook
proper noun 
  1. (astronomy) a scale of seeing conditions used by amateur astronomers. Its categories are:
  • I - perfect, without a quiver
  • II - slight undulations, but with calm periods lasting several seconds
  • III - moderate, with some greater air movements
  • IV - poor, with the image in constant movement
  • V - very bad, making observation difficult
Etymology: Named for w:Eugène Michel Antoniadi, Eugène Michel Antoniadi, who invented it.


Supplemental Details:Sponsor an extended definition for Antoniadi scale for as little as $10 per month. Click here to contact us.

     
  

 Find:
  Words Starting With:
  Words Ending With:
  Words Containing:
  Words That Match:

 
 Translate Into:
  
Dutch   French   German
  
Italian   Spanish
    Show results per page.

Browse the Dictionary
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

   
Dictionary content provided from Wiktionary.org under the GNU Free Documentation License
Allwords Copyright 1998-2019 All rights reserved.