Examples of using Angular size in English and their translations into Greek
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Computer
Zoom to Angular Size.
I was ignorant of the idea of angular size.
Select angular size for the FOV symbol(in arcmin).
So it looks the same angular size on the sky.
The angular sizes of objects show how much of the sky an object appears to cover.
One experiment was to estimate the angular size of the Sun, as seen from the Earth.
Angular size does not, however, say anything about the actual size of an object.
Not exactly equal, due to the angular size of the Sun and atmospheric refraction.
Second, each model predicts a different distribution of the temperature fluctuations with respect to angular size.
They are not exactly equal, however, due to the angular size of the sun and atmospheric refraction.
Landscape Darkness and Horizon Color- Each eclipse creates its own level of darkness,depending mostly on the moon's angular size.
This image compares the angular size of the XDF field to the angular size of the full Moon.
Nevertheless, the observation is proof of concept that Hubble can go forward with an approved deeper KBO search,covering an area of sky roughly the angular size of the full Moon.
It has an apparent magnitude of 6.9, an angular size of 10 arcminutes and is visible using a small telescope.
Orientation and composition give a strong sense of depth to this colorful galaxy portrait that covers an area about the angular size of the full moon.
Based on how quantities like luminosity or angular size change with distance, we can infer the expansion history of the Universe.
T\t You can construct your own field-of-view(FOV) symbols, using the\t\t\tFOV Editor from the Settings-> FOV Symbols menu.You can set the angular size, the\t\t\tshape, and the color of your new symbols.\t\t \t.
The relationship between the angular size of the smallest details that can be distinguished(θ), the wavelength(λ) and the diameter(D) is given by: θ≈ λ/D.
Since the lens is placed after the focal plane of the objective it also allowed for use of a micrometer at the focal plane(used for determining the angular size and/or distance between objects observed).
The relationship between the angular size of the smallest details that can be distinguished(?), the wavelength(?) and the diameter(D) is given by:???/ D. Note that small?
In this picture, radio telescopes from the Australian Telescope Compact Array(ATCA) near Narrabri, NSW, Australia, were captured in front of a full Moon,with a radio image of Cen A superposed at its real angular size in the background.
This is a measure of the angular size of the image viewed through the eyepiece, in other words, how large the image appears(as distinct from the magnification).
Although perspective for nearby objects in hyperbolic space is very nearly identical to Euclidean space,the apparent angular size of distant objects falls off much more rapidly, in fact exponentially, as can be seen in the figure.
However, the relatively large angular size of the galaxy and the galaxy's face-on orientation make it an ideal object for professional astronomers who want to study spiral arm structure and spiral density waves.
Depth perception is inoperative at the distances involved in flying aircraft, so the position and distance of a runway with respect to an aircraft must be judged by a pilot using only two-dimensionalcues such as perspective, as well as angular size and movement within the visual field.
In 1935, Harlow Shapley declared that this galaxy was the third largest spiral galaxy by angular size then known, smaller only than the Andromeda Galaxy(M31) and the Triangulum Galaxy(M33), being wider that the full moon.
Enter the desired angular size for the field-of-view(FOV) symbol. You can either enter a value directly, or use the"Eyepiece" or"Camera" Tabs to compute an angular size for specific eyepieces or cameras.
Due to the effects of these variables, the term"field of view" nearly alwaysrefers to one of two meanings: Actual field of view the angular size of the amount of sky that can be seen through an eyepiece when used with a particular telescope, producing a specific magnification.
They are often used to tie some observable quantity(such as the luminosity of a distant quasar,the redshift of a distant galaxy, or the angular size of the acoustic peaks in the CMB power spectrum) to another quantity that is not directly observable, but is more convenient for calculations(such as the comoving coordinates of the quasar, galaxy, etc.).