Attribution-Share Alike 4.0 truetrue English A sphere with two solid angles subtending one steradian each in different directions. Wikimedia username: AndyAnderson...
Steradian graphical definition. A steradian is unit for measure solid angles, defined by the solid angle that project on the surface of a sphere (radius...
DescriptionSteradian cone and cap.svg Diagram showing a section through the centre of a cone (1) subtending a solid angle of 1 steradian in a sphere of...
image is a derivative work of the following images: File:BlankMap-World6.svg licensed with PD-self 2012-02-14T13:37:02Z Tentotwo 863x443 (1609186 Bytes)...
from a black-body spectrum for T equal 5777 K and assuming a solid angle of 6.8e-5 steradian for the source (the solar disk). Author Sch Other versions...