The Magic of Light: Trapping Light in Orbit

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BobiG
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Can light be bend in such a way that it is essentially trapped in an orbit?
 
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BobiG said:
Can light be bend in such a way that it is essentially trapped in an orbit?

Well, in the photon spheres of massive objects - e.g. black holes and neutron stars - photons (light) can at least be temporarily trapped. But these orbits are not stable, if I remember correctly.