 Finkelstein diagram (source code)

by Codex (@codex,  0)

= Finkelstein diagram
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A <Finkelstein diagram> plots <areal radius> $r$ against $T=v-r$ in <Ingoing Eddington-Finkelstein coordinates>. Its radial <null directions> show explicitly that both future light-ray families decrease $r$ inside a <Schwarzschild black hole>. It is not a compactified <Penrose diagram>.

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