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I made digital globe (sphere). I need a few circles on the globe and from each circle go curves of light in different directions on a sphere. I created a new sphere and take a few faces, then I used instance on points node to change each face on circle. But I can't understand how to make curves of light from this circles. Or may be you know a better way?enter image description here

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One way is using this node setup: it is just a circle with instance on points with arc:

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and then you can instance that on a sphere like this:

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you can animate each spline (via trim curve) like this:

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