Factual error: When Ryan enters the space station and removes her spacesuit, she is shown wearing only a tank top and boy shorts. In reality, according to NASA's official webpage, astronauts wear a liquid cooling and ventilation garment and an absorption garment (space diapers) under their suit. (00:38:45)
Gravity (2013)
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Directed by: Alfonso Cuaron
Starring: George Clooney, Ed Harris, Sandra Bullock, Basher Savage, Eric Michels, Orto Ignatiussen
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Matt Kowalski: Houston, I have a bad feeling about this mission.
Mission Control: Please elaborate.
Matt Kowalski: Well, it reminds of a story.
Question: Any idea what chemical substance is used in the fire extinguisher? I initially assumed it couldn't be straightforward liquid H2O as I couldn't see any spherical droplets floating around, but could it be an aerosol?
Answer: A quick internet search revealed that the International Space Station uses both carbon dioxide and water-based foam extinguishers. The Space Shuttle used Halon 1301 fire extinguishers, but these were fixed nozzles built into the shuttle compartments.