A4_7 Supermassive (Interstellar) Black Hole

Claire Sullivan, Jonathan Sallabank, Alex Foden, Adam Higgins


This paper considers the plausibility of an event from the 2014 film Interstellar. It states that an hour on a planet orbiting a supermassive back hole is equivalent to 7 years passing on Earth. Calculations made state that the planet is inside the minimum orbit for a planet around a black hole and would thus fall with a ballistic trajectory into the centre.However, a static system was assumed, so with an optically spinning black hole the planet may be in a stable orbit. A spacecraft orbiting at a distance unaffected by time dilation is also considered and found to be largely implausible.

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