Astrophysik: Gravitationslinsen

Astrophysik: Gravitationslinsen

Glas lens visualizing the effect of a gravitational lens
It is possible to give a feeling about the effect of gravitational lens by an optical lens if this is cutted in a specific manner. Observe that this kind of lenses resembles the stem of a wine-glass.This lens allows to emulate the effect of a black hole as to produce either the Einstein Ring or the Einstein Kreuz.
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