Red curves are world lines (congruence) of points on disc ( are fixed).
Interlacing blue and grey stripes show change of T.
Orange curves ( / \ ) are null curves with fixed r.
Русский: Пространственно-временная геометрия координат Борна на диске.
Красные кривые — мировые линии точек диска (фиксированы ).
Чередующиеся синие и серые полосы показывают изменение T.
Оранжевые кривые ( / \ ) — светоподобные кривые с постоянным r.
Внизу справа — трёхмерное изображение. Сверху — развёртки цилиндров для трёх разных r, повёрнутые так, чтобы направление собственного времени стало вертикальным.
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