Usage of "apparent diameter"

Russian

угловой диаметр

Portuguese

diâmetro angular

Catalan

diàmetre angular

Spanish

diámetro aparente

Angular measurement describing how large a sphere or circle appears from a given point of view.

угловой диаметр

Usage of apparent diameter in English

It must be noticed that the sun's apparent diameter is not always the same. 
 Half-hours with the Telescope / Being a Popular Guide to the Use... 

The variation of the apparent diameter corresponds (inversely) to the variation of distance. 
 Half-hours with the Telescope / Being a Popular Guide to the Use... 

Mars has been steadily approaching, tripling its apparent diameter as seen through telescopes since January. 
 The Guardian 

They again became silent, watching Jupiter, an enormous moon some seven degrees in apparent diameter. 
 Spacehounds of IPC 

This cloud was nearly spherical in form, with an apparent diameter of about a thousand yards. 
 The Great War Syndicate 

Moon's mean apparent diameter - 31 min. 
 The Moon: A Full Description and Map of its Principal Physical F... 

Moon's maximum apparent diameter - 33 min. 
 The Moon: A Full Description and Map of its Principal Physical F... 

Moon's minimum apparent diameter - 29 min. 
 The Moon: A Full Description and Map of its Principal Physical F... 

Found a sensible diminution in the earth's apparent diameter, besides a material alteration in its general color and appearance. 
 The Works of Edgar Allan Poe — Volume 1 

While such discussions were going on, their subject gradually approached, growing larger in apparent diameter, and of a more brilliant lustre. 
 The apocalypse reader 

For seven or eight days we saw no material increase in its apparent diameter, and but a partial alteration in its color. 
 The apocalypse reader 

All that he saw in that instant was a glaring ball of electric white, three times the apparent diameter of the sun. 
 A Voyage to Arcturus 

Sun apparent diameter 31 minutes 5 seconds. 
 The Journey to the Polar Sea 

Great decrease in the earth's apparent diameter, which now subtended from the balloon an angle of very little more than twenty-five degrees. 
 The Works of Edgar Allan Poe — Volume 1 

The thread is arranged on the stage so as to point towards the observer, and the apparent diameter is read off on the eyepiece scale. 
 On Laboratory Arts 

Observed meridian altitude of sun lower limb 2 degrees 35 minutes 20 seconds, sun apparent diameter 29 degrees 20 minutes. 
 The Journey to the Polar Sea 