Corrected entry: When Frank goes to retrieve the failing AE-35, he stops the pod hundreds of yards from the ship and floats his way to the ship. If I were doing this, I would park 10 feet from where I needed to go to avoid the possibility of missing my target and getting lost in space.steven_frankel
Corrected entry: The scene at the Tycho excavation site where the uncovered monolith emits a radio signal after being illuminated by the rising sun incorrectly shows the sun directly overhead. This would be impossible as the crater Tycho is in the moon's southern hemisphere and the sun would never rise that high during the lunar summer.
Corrected entry: After HAL kills Poole we see his body cross paths in an X with the spinning away pod, as if they originated in two different locations.
Corrected entry: When Bowman and Poole get into the pod they have HAL spin it around for seemingly no other reason than to allow HAL to read their lips through the window.
Corrected entry: When Frank Poole and HAL are playing chess, HAL states his move as (in what is called "Descriptive Notation") "Queen to Bishop Three". This is not true, the move he makes is "Queen to Bishop Six".
Corrected entry: When Bowman leaves Discovery to retrieve the AE-35 Unit, he asks HAL to prepare the "B Pod" and HAL powers up and rotates the middle of three pods. Later, when Bowman asks Poole to help him with a problematic transmitter in "C-pod", they go to the pod bay and enter the middle pod which must still be B-pod as no two pods have left the ship and returned to shuffle their positions. (01:12:30 - 01:22:40)johnrosa
Corrected entry: When Dave Bowman is attempting to enter Discovery through the emergency airlock we see the smoke from the detonation of the explosive bolts on the door of the pod but where does the door go? The force of the explosion should have fired the pod door into the airlock along with Dave Bowman! An amazing feat and pure luck that Dave Bowman once in the airlock managed to close the airlock door with his eyes closed (not that you could use your eyes in a vacuum because the water on the surface of your eyes would boil off in an airless environment!) and he bounced off the back wall of said airlock and ended up near enough to the airlock door close lever to pull it.Zippy Zubes
Corrected entry: During a number of scenes showing the Discovery 1 from a fixed camera position, the stars are shown moving in the presumed opposite direction of the ship. But since the stars are so far away, there would be almost no movement over the entire trip to Jupiter. (01:30:00 - 02:30:00)
Corrected entry: During the base briefing all the participants are walking quickly as they would on Earth. This kind of motion is impossible in the lower moon gravity and it is made clear throughout the film that no artificial gravity technology exists that might allow Earth-normal movement. Later, at the monolith excavation site, the walking is slower and more deliberate as it should be.
Corrected entry: When Dave Bowman blows the explosive bolts on the pod to get into the Discovery, he flies into the long airlock, then back out towards the exit. Watch the pod through both of these shots; it doesn't move a single centimeter when the bolts explode and is in the exact same position when Bowman's body heads back towards the exit. Even with the best possible maneuvering thrusters automatically set to hold the pod in place, it would have moved significantly when the explosive bolts were set off. One corrector proposed that the pod would be held in place because the mechanical arms used to open the airlock would have held it there. Incorrect; Bowman released the pod's grip on the discovery in order to turn it around. The same corrector proposed that the expolsion would not overcome the forward inertia of the Discovery. Wrong again, the pod and Discovery are traveling at the same speed; an explosive decompression would push the pod forward at great velocity.BocaDavie
Corrected entry: When Dave goes to retrieve lifeless Frank the computer screen to his right which is supposed to show continuously updated data, twice displays a jagged line like those found near the end of a reel of a motion picture film.
Corrected entry: Early in this chapter of the film, we see Discovery has three EVA Pods (from HAL's view, left to right they are C-pod, B-pod and A-pod). When Poole is killed, we see he was using the center pod. Bowman then goes after Poole with A-pod. This leaves behind the C-pod. Bowman gets back aboard Discovery by blowing explosive bolts to release his pod's door. After Bowman deactivates HAL, we can presume he recovers the now-damaged A-pod he ejected from. It can only be placed in either the right or center pod locations, and as we learn in 2010, it is found sitting in its original right-side location. So to leave Discovery for the last time, Bowman must use the C-pod which is on the left, yet is shown emerging from the center doorway B-pod originally launched from. (01:32:50 - 01:59:45)johnrosa
Corrected entry: The spacecraft Discovery has a rotating centrifuge-room that the astronauts use to avoid the detrimental effects of prolonged weightlessness. We see the rotation when Dave first enters the room and again later when he and Frank re-enter the room after inspecting the AE-35 Unit. But by Newton's laws the torque on the centrifuge must be countered by an equal anti-torque, so the surrounding body of the ship ought to be counter-rotating to conserve angular momentum.
Corrected entry: Towards the end of the movie where there are deep space shots of the planets, the spaceship and the sun, there is one shot where the sun is in the middle of several planetary objects. The objects closer to the viewer show crescent as they should due to the suns orientation to the planetary objects. On the far side of the sun however, the planetary objects also show crescent but shouldn't. They should show FULL or nearly full.
Corrected entry: The transmission from Earth says that Discovery left three weeks previously, that transmissions take seven minutes and that the journey will take the better part of a year. The speed of light is 186,282 miles/sec. In seven minutes, light travels 78,238,440 miles so the movie statement that Discovery is 80,000,000 miles away from Earth is reasonable. To cover that distance in three weeks, the speed would be around 158,000 mph. To travel half a billion miles at that speed would take a mere nineteen weeks, not the better part of a year. (00:58:35)seasnj
Corrected entry: HAL has complete control over the pods while they are outside the Discovery - he can even use one as a murder weapon. How, then, does he allow Bowman to steer a pod to the escape hatch? Why not just shoot him and the pod off into deep space?
Other mistake: There is something drastically wrong with the design of the spherical 'Aries' moon shuttle. Some seats and many fixtures are 'upside down' relative to the up-down orientation of the shuttle itself, and we see loose food trays and equipment about the place as if this is routine. But - the shuttle is designed to land on the moon. What happens then? The moon has gravity, remember? There are going to be quite a few very disgruntled people dangling upside down like spiders, and there will be loose gear (and perhaps a stewardess or two) bouncing about all over the place. It is not a matter of stowing loose gear or lying flat on landing - some parts of the shuttle are upside down relative to others, which is why the stewardess has to do that famous 180 degree upside down walk. Whichever way you look at it the shuttle is going to encounter serious problems when it reaches a gravity well, which will occur whenever the engines are fired up, never mind landing on the moon.
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