How to Calculate Angular Diameter of a Galaxy with a Given Diameter?

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To calculate the angular diameter of a galaxy, the given diameter in arcseconds directly represents the angular diameter. In this case, if the galaxy's diameter is 150 arcseconds, then the angular diameter is also 150 arcseconds. There is no additional calculation needed since the value is already provided. Understanding this concept is crucial for astronomical measurements. The discussion emphasizes the simplicity of determining angular diameter when the value is explicitly stated.
P-Jay1
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If I know the diameter of a galaxy in the sky is 150 arcseconds,

how do I find the angular diameter?
 
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150 arcseconds is the angular diameter.
 
phyzguy said:
150 arcseconds is the angular diameter.

I just realized damn
 

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