Why does the suns reflection turn square to round with greater distance?

Subject: Why does the suns reflection turn square to round with greater distance?

Date: Sat May 19 17:53:07 2001
Posted by Francisco
Grade level: undergrad School: Pepperdine University
City: Los Angeles State/Province: CA Country: U.S.A.
Area of science: Physics
ID: 990309187.Ph

Message:


If I shine the sun on somebodys house with a broken piece of mirror. The suns 
shape is the same as the mirror. BUT if I back up enough from the house the 
shape turns round.

And I could swear I can see the sun in focus! Or is this just my imagination?

Re: Why does the suns reflection turn square to round with greater distance?

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