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.
1
Since its distance from the camera changes, its angular size also changes.
2
The size can be found using the angular size and the distance.
3
How do you display the angular size at different points on the field?
4
It isn't too difficult measure the angular size with a lens.
5
For the moon, I can write the following expression for the angular size.
6
In this expression, L is actually the arc-length corresponding to this angular size.
7
Once again, I can calculate the angular size of the camera.
8
However, if you know the angular size and distance the size can be calculated.
9
A small increase in the angular size means that the moon is still small.
10
Second, the angular size of the moon is fairly small.
11
The first step is to look at the angular size.
12
But what is this angular size for the whole image?
13
The angle between these two lines is the angular size.
14
What does angular size have to do with this anyway?
15
If this larger angular size occurs during a full moon phase-thisis the SUPERMOON!
16
The better term to use is the angular size.
Portuguese
Catalan
