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7 lines
423 B
Plaintext
7 lines
423 B
Plaintext
Glens simulates a gravitational lens composed of any number of punctual
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deflectors. Light comes from a punctual light source at an infinite distance,
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the direction of which can be specified. It is then deflected by a
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distribution of punctual deflectors (such as a black hole) into a small
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region of space. The rays can be seen, and directions and parameters
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specified to see multiple images, or the famous "Einstein ring".
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