Factual error: The shuttle's original mission was to service Hubble, yet when the shuttle is wrecked, Kowalsky moves with Stone to the ISS, which just happens to be "a short hike away." Hubble orbits at an altitude of 350 miles/560km, while the ISS does so at an altitude of about 250 miles/410km. Furthermore, even if they had been able to see the ISS from Hubble's orbit, they would have only seen it speed ahead, as their orbital velocities are very different: 7.66km per second for the ISS and 7.5km per second for Hubble. (00:23:20)
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: Half of North America just lost their Facebook.
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.