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Interactive
American Association of Physics Teachers

Com Padre Digital Library: Open Source Physics: General Relativity Schwarzschild

For Teachers 9th - 10th
Visualization that uses the Schwarzschild metric, showing the orbit light travels near a black hole.
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Interactive
American Association of Physics Teachers

Com Padre Digital Library: Open Source Physics: Schwarzschild Light Wavefront

For Teachers 9th - 10th
Apply the Schwarzschild metric to the paths light travels when it radiates in every direction near a black hole. Adjust the position of the light source and observe the effective potential of the paths.
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Interactive
American Association of Physics Teachers

Com Padre Digital Library: Open Source Physics: Schwarzschild Light Launch Angle

For Teachers 9th - 10th
Visualization that uses the Schwarzschild metric, showing the path light travels near a black hole depending on the angle of its initial launch.