Corrected entry: If "NASA doubles up on everything.", why didn't the nuclear bomb on Independence go off when it crashed? Colonel Sharp stops Stamper from hitting their bomb with a wrench since it would set it off, so why didn't the one on Independence detonate?
Corrected entry: One of the things the creators of the movie did not think out is the issue of the asteroid's gravity. There are several problems with that. It is stated that the asteroid is the size of Texas. Even if we assumed it to have had 1000 miles of diameter (a really huge asteroid) and the same density as Earth it would have gravity of about 12% of Earth's gravity. In the movie it can be seen (even though stated otherwise) that the teams operate under earth-like gravity tools, piping elements, debris all fall down with quite an acceleration. Also the astronauts move about very conveniently much more easily than would for example on the Moon. On the other hand if we assumed that the asteroid had much higher density, which allowed it to had significant gravity, a near passing (a couple of hundred kilometers) of such a massive body alone would probably wipe out humanity just as efficiently as a direct hit. Even if we assumed that the asteroid's diameter was only 500 miles and its density was about the density of the Moon, the near passing of its two halves would wreak havoc on Earth as the influence of their gravity on, for example, ocean tides, would be up to 20 times bigger than Moon's
Corrected entry: I find it highly unlikely that all of those astronauts would have gleaming white teeth.
Corrected entry: When Truman is describing the shuttle's characteristics, he mentions that they are made of an "impenetrable titanium alloy." When AJ, Bear and Lev are in the Armadillo on the asteroid in the crashed ship, AJ shoots through the supposed "impenetrable titanium alloy" with the Armadillo's machine guns. It's doubtful that even the impact of the crash would weaken the apparently impenetrable alloy to a point where it could be simply shot through with those guns.
Corrected entry: It took approximately 18 hours from the time Harry and Grace left the oil rig until they decided to help save the Earth. How did his entire crew have time to become scattered across the US? AJ even had time to start his own oil company.
Corrected entry: In the scene where the asteroid is about to hit Paris, look closely at the clouds. They don't move. An asteroid coming in at that speed and force would blow the clouds away.
Corrected entry: If the movie was set in the summertime, why was the 6:30 pm launch done after sunset? Even if was AM, the sun would have still been up at 6:30
Corrected entry: In the scene where the Russian space station starts to collapse A.J and the Russian cosmonaut gets trapped in a room. In order to check that everyone has reached their respective ship Houston turns on a "personal radar" which lets them see everyone in the station in a 3d-model on screen. This is done through trackers in the Americans space-suits. Only problem is that the cosmonaut also shows up on radar and he, apart from already being there for a great period of time, definitely does not have an American space-suit with a tracker.
Corrected entry: In the beginning of the movie, where the astronaut is working on the satellite during an EVA, it shows the satellite far apart from the space shuttle. Also, the shuttle's bay doors were open and facing the open void of space. This is a factual error, because when NASA sends a crew to fix a satellite in space, they flip the shuttle so the bottom faces space and the windows face the Earth. The satellite is attached to the Canada Arm and the astronauts are able to service is with ease, and not having to fear shards of a giant asteroid or other space debris.
Corrected entry: When the astronauts are on the surface of asteroid then they feel almost no gravity but when they're inside the space ship the gravity is similar to earth. New gravity gear from NASA?
Corrected entry: When the team lands on the asteroid, one of the team members lets a stream of sand fall from his hand. The sand blows in a slight breeze...
Corrected entry: The asteroid is the size of Texas, yet has Earth gravity as shown when pipes are dropped on the ground and don't float at all. The only time there isn't earth gravity is when they need to fly.
Corrected entry: Shortly before Stamper detonates the nuke we see a computer screen at NASA which shows the asteroid nearly at "Zero Barrier". Only 1 minute later, the screen is visible a second time and the two halves of the asteroid are already beyond the tangent where it would have hit earth on a straight flight.Earlier in the movie it is said that it'd take the asteroid about 3 hours and 57 minutes to get from zero barrier to hit earth. So it's impossible for the two halves to be beyond that line. (02:12:45)Ronnie Bischof
Corrected entry: In the scene of the asteroid being split by the nuclear explosion we see the blast from Earth's point of view in settings which are on opposite sides of the world. This is impossible since the asteroid is coming from one direction and only half the planet would be able to see it.
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