Some fundamental stellar properties
Some fundamental stellar properties
Some fundamental stellar properties
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Location of a Point on a Sphere<br />
Either XYZ coordinates<br />
or 2 angles, ψ and θ,<br />
can be used to locate a<br />
point, P, on the surface<br />
of a unit sphere.<br />
Note that for angle, ψ,<br />
a reference point<br />
along the equator is<br />
required.
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