Usage of "apparent diameter"

русский

угловой диаметр

португальский

diâmetro angular

каталонский

diàmetre angular

испанский

diámetro aparente

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

угловой диаметр

Синонимы

Examples for "angular diameter"

angular diameter
angular size

Examples for "angular diameter"

They were of equal size: perhaps twice the angular diameter of the full Moon as seen from Earth. 
 Ringworld 

The angular diameter, as in the case of Betelgeuse, is in remarkably close agreement with the diameter predicted from theory. 
 The New Heavens 

Interferometer measures, now in progress on Mount Wilson, indicate that its angular diameter is about 0.020 of a second. 
 The New Heavens 

This cone, in fact, is very narrow, the angular diameter of the moon is so small compared to the diameter of the orb of day. 
 The Moon-Voyage 

Its angular diameter of 0.040 of a second would thus correspond to a linear diameter of about 400 million miles. 
 The New Heavens 

Since its distance from the camera changes, its angular size also changes. 
 Wired 

The size can be found using the angular size and the distance. 
 Wired 

How do you display the angular size at different points on the field? 
 Wired 

It isn't too difficult measure the angular size with a lens. 
 Wired 

For the moon, I can write the following expression for the angular size. 
 Wired 

Использование термина apparent diameter на английском

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 