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Steradian

math Maturity 11-13

We can measure space around us.

Solid Angle, 1 Steradian.svg
Solid Angle, 1 Steradian.svg
Imagine a shape like a cone. It cuts a piece out of a ball. This piece has a size. We use a special name for it. It is called a steradian. Can you find a ball to look at?
Steradian cone and cap.svg
Steradian cone and cap.svg

50 words
🖼️ Images & Media (3)
File:Solid_Angle,_1_Steradian.svg
Solid_Angle,_1_Steradian.svg
File:BlankMap-World6 steradian.svg
BlankMap-World6 steradian.svg
File:Steradian cone and cap.svg
Steradian cone and cap.svg
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📚 Content adapted from Wikipedia | Readability: FK 11.5 | Vital Level 4