Top best answers to the question «What os does the space shuttle use»
Instead, the rocket's onboard operating system uses “a stripped-down Linux running on three ordinary dual-core x86 processors” which control the rocket's engines as well as its flightpath-directing grid fins.
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Windows is used on the SSC (Station Support Computer) laptops onboard the ISS. It is not, and never was, used on the PCS (Portable Computer System) laptops.
The Space Shuttle has allowed astronauts to carry out many important missions, such as the launch and repair of the Hubble Space Telescope. Six Space Shuttles have been built. The first was the Shuttle Enterprise , but it has never been into space.
It seems that none of the other answers mention this, but there was a Space Shuttle Cockpit Avionics Upgrade project in ~2004, part of which was a selection of a new OS for the Space Shuttle. The decision process was fascinating in and of itself because it used Bayesian networks to choose the best system, you can see the details in this document .
Photo credit: NASA/Kennedy Space Center. Each Space Shuttle Main Engine operates at a liquid oxygen/liquid hydrogen mixture ratio of 6 to 1 to produce a sea level thrust of 179,097 kilograms (375,000 pounds) and a vacuum thrust of 213,188 (470,000 pounds).
Furthermore one quora answer refers to this article which mentions that QNX RTOS, a micro-kernel real-time OS, was used on Space Shuttle missions to guide the Canadarm and on the International Space Station.
The second type are white-coated tiles and are LowTemperature Reusable Surface Insulation (LRSI). They are made to insulate the shuttle up to 1,200 degrees F (650 degrees C). These tiles are usually larger and thinner, 8 inches long on each side (20.3cm) and from less than a half inch (1 cm) thick up to 1 inch (2.54 cm) in thick-ness. The densities range from 9 to 12 pounds per cubic foot.
Space Shuttle Atlantis docked to the ISS for the final time. In May 2009 Atlantis flew a seven-member crew to the Hubble Space Telescope for its Servicing Mission 4, STS-125. The mission was a success, with the crew completing five spacewalks totalling 37 hours to install new cameras, batteries, a gyroscope and other components to the telescope.