Thursday, December 3, 2020

A gibbous moon

A gibbous moon - How many times have I heard or read the phrase?  Many.  

And as is often the case I understood what it was because it would have been obvious from the context.  But have I ever actually read the definition?  Quite possibly not.


gib·bous
/ˈɡibəs,ˈjibəs/ 
 
adjective 
 
(of the moon) having the observable illuminated part greater than a semicircle and less than a circle.
convex or protuberant. 
 
"gibbous eyes"

A waxing gibbous moon:

 Click to enlarge. 

A waning gibbous moon:

Click to enlarge.


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