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When preparing for launch, the two shuttle crews board from the same gantry tower, but later shots it is obvious that there are two separate gantries.
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Falling objects near the surface of the asteroid fall as if affected by gravity as strong as the Earth's.
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Two shuttles are launched separately, some minutes apart. But they are shown flying very close when they are leaving Earth atmosphere.
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Harry knocks on A.J.'s wall with a golf club, knocking everything off the shelf except a few playing cards. Once he's inside the room, some cans and other things fall off the shelf a second time.
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AJ's hat disappears when he is in the fuel pod, then reappears when he is climbing the ladder.
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A.J. goes down the hole to cut a piece of pipe away. We cut to Harry and the Col. William Sharp yelling at him to come out. Meanwhile, A.J. is just starting to cut the same pipe again.
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When the countdown timer is at "5 Hours", there is a sequence of communication between Harry and Dan Truman. Between scenes, the timer goes from "5 Hours" to "6 Hours" and then back down to "5 Hours".
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The movie starts on a Friday and they say that the asteroid will hit in 18 days, which would bring us to a Tuesday. The shuttle is launched on a Tuesday evening at 6:30pm. It takes about an hour (67min) to get to MIR, 60 hours to get to the moon, 12 min slingshot, 8 hours on the asteroid and about 4 hours (3:57) to earth after zero barrier. This timeline projects the asteroid hitting earth Friday evening around 8pm. No where near Tuesday evening.
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When the crew has landed on the asteroid, Harry says something to the effect of, "Come down here to the flat area, and take readings," twice.
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When Harry is threatening AJ in AJ's room, he holds the golf club to AJ's neck facing the right. In the next shot it is facing to the left.
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When the space station is on fire, the first shuttle to close up and go (Sharp's, and Harry's) is about to close the door. The fuel hoses are still clearly visible running through the top of the hatch. A second later, the hatch closes and locks - presumably airtight, because it never reopens.
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While the NASA team is attempting to override the bomb timer, there is a quick cut to Grace, standing in the observation room looking through the window. We can see the crew down below (through the reflection in the glass). The same exact scene is used after the bomb is detonated. The crew can be seen giving high fives and hugging one another, while they are trying to 'kill the up link'.
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Truman, General Kimsey, and Grace are at Kennedy Space Center in Florida watching the team board the shuttles T-minus 2 hours before launch, but manage to get to Johnson Space Center in Houston in time to be in Mission Control for launch.
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In the scene of the helicopters chasing Oscar on his horse, a Wescam camera pod can be seen on the lead chopper (only visible in widescreen versions of the movie).
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The two crews are shown splitting up to walk to and board their respective shuttles. Launch pads 39A and 39B are three miles apart.
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Grass is clearly visible at the edge of the cliff when the Armadillo comes to a rest after jumping the canyon.
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It is not Turkish dialect but Azerbaijani Turkish dialect that is heard in all scenes which are from Istanbul, Turkey. Azerbaijani dialect is dominant in Azerbaijan, not Turkey. Azerbaijani dialect is not used in Turkish broadcasts.
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There are numerous errors in the depiction of the physics of space and microgravity and of asteroids (their characteristics, their behavior and their effects). See trivia.
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Fire cannot exist in the vacuum of space. Once the oxygen is either burned up or dissipated the fire would die, this would only take a few seconds.
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In a real space shuttle launch, the Solid Rocket Boosters and External Tank are not released at the same time. The SRBs are released first, followed by the external tank later.
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Simulating gravity is possible, but the gravity would be felt only away from the axis of rotation. The way the space station and space shuttles are attached, it would be impossible for gravity to be felt on all normal walking surfaces. And it would not be felt at all at the center. It would be greatest at the walls of the space shuttles farthest from the axis of rotation. NASA has modeled this using 10-30 meter diameter cylinders (like 2001: A Space Odyssey), and with large systems of a capsule, a 2km tether, and a counter weight. But the smaller the system, the more chances you'd get dizzy if you bent over because the gravity at your feet and head would differ.
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Drillers would never use steel cutters on pipe in a hole with known gas pocket/gas residue. Instead, in a situation with known gas pocket/gas residue, brass cutters are used because they don't spark and therefore wouldn't run the risk of igniting the residual gas from gas pocket.
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As Eddie Griffin was riding into New York, he passes by a few people who are reading the newspaper that is titled "Shuttle Explodes". Sudden headline news that happened after the latest edition of the newspaper is published would be in the next day's newspaper, not the same day.
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At the end the movie Cosmonaut Andropov is shown walking fine after exiting the shuttle. It was stated earlier in the movie, he had been in the Space Station for over a year. If this was true; he would not be able to walk due, to he would have been suffering from Space adaptation syndrome. In which his body would have been used to being weightless and due to such a long period of time without gravity, his body becomes accustom to no gravity and once his body is introduced to gravity once again, he wouldn't be able to walk, let alone stand.
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If the X-71 is supposed to have a Titanium Impenetrable skin to help it fly through asteroids, how is that A.J. after crash landing on the asteroid is able to use the machine gun on the armadillo and penetrate and crash through the Impenetrable skin?
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In the psychological examination, Rockhound's solved Rubik's Cube at one point shows a green side adjacent to the blue side. In traditional Rubik's Cubes, the blue and green sides are opposite of each other.
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When deactivating the bomb on the asteroid and the timer reaches 30 seconds. The next shot of the timer has been flipped so that it seems read 45 seconds with a reversed 4 (i.e. it actually said 24 seconds).
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