How Do Astronauts Control Temperature in Space
The universe has cooled down drastically since the Big Bang and the temperature of the cosmic microwave background radiation in nearby areas of space is 2.73 kelvin. But the side of the spacecraft, facing the Sun, can hit scalding hot of around 121 C, while the opposite side can drop to a freezing cold of -157 C. And without thermal controls, everything would eventually fail. So how do astronauts control temperature in space? Learn more about the complex cooling and heating system of NASA’s spacesuit, spaceship and the International Space Station (ISS). See also the potential of life in Jupiter’s Moon Europa and the Farthest Spacecraft From Earth.
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