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UUID | 450250f3-f793-11e3-b7aa-bc764e2038f2 |
The angular diameter of a circle whose plane is normal the displacement vector between the point of view and the centre of said circle can be calculated using the formula:
δ = 2 arctan(2d/D)
δ = angular diameter
D = actual diameter of and the distance to the object
d = diameter
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