The Core

Plot hole: When the crew's vessel gets stuck in the giant geode and the crystal jams the 'impeller', the magma begins to fill the chamber. They see it melting the crystals, yet they frantically continue working to free the crystal from the impeller and lose a crewman...and yet when they get back in the vessel, the magma indeed melts out the crystal that jammed the impeller. With 2 geologists onboard you would think they'd know that.

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Plot hole: In the melting bridge scene, the space microwave was powerful enough to melt the bridge's thick metal but how come it could not melt the roof of the cars on the bridge?


Factual error: The geodes occurring in the mantle during the film are impossible in two ways. Firstly, there are no gaps at those depths. The pressure is approximately 3.5 million times surface pressure, and it is not feasible that such structures could form, let alone be maintained. Secondly, the crystals inside the geodes are described as amethysts. Amethysts are a purple variety of quartz, and as any undergrad geology student could tell you, there is no quartz in the mantle, it simply is not stable at such high temperatures.

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Trivia: If you look closely with time-frame advance during the pigeon scene you will see a fish "flying" into a window instead of a pigeon.


Dr. Josh Keyes: So what's this about then?
FBI Agent: We don't know. You have higher security clearance than us.
Dr. Josh Keyes: I have security clearance?
FBI Agent: Yes sir, we're just here to take you to your jet.
Dr. Josh Keyes: I have a jet?!

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Question: When Rome is been destroyed by that superstorm, just after the Colosseum explodes which building is the one that is destroyed by the lightning bolts? (The one with the statue of a knight)

Chosen answer: I believe you are referring to the Vittorio Emanuele Monument. Victor Emmanuel II was the first monarch of Italy in the mid to late 1800's. The monument has also been nicknamed the "typewriter" and the "wedding cake".

Question: Why in this film should NASA and the military handle the operation? It is neither related to space nor related to war. Some institute related to geo sciences should handle it.

Chosen answer: To put it simply: NASA's got all the technology and the people trained to use it, and the military is involved in every government project, not just acts of war. Also, the military has a vast and efficient logistics system making it possible to bring the major pieces of equipment together in the short amount of time available.


Question: Why does General Purcell want Virgil to fail? It seems all he's trying to do is stop them from achieving their goal. He knows full well DESTINI stopped the core in the first place and is determined to fire it again with Virgil down there, knowing they will die. Why would he want Earth to die?


Chosen answer: The General does not want Virgil to fail. The main reason he wants to fire DESTINI is because they have just found out that the core is actually a lot thinner than they originally thought, which means, as Zimsky stated, the amount of explosives they brought in Virgil would not be enought for their original idea of one blast. Also stated by Zimsky, what happened with the core and DESTINI was just like a heart and an electric shock. If an electric shock can stop a heart and also restart a heart, then DESTINI has a chance of restarting what it stopped.

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