Page 280 - Inventions - A Visual Encyclopedia (DK - Smithsonian)
P. 280

Living in space
          Backpack containing
           life-support systems


              Pressure
            helmet with
          protective visor                           Keeping astronauts fit and healthy as spaceflights
                                                        have become longer and more complex is a

                                                           huge challenge, and has required considerable
                                                            inventiveness. And not only do astronauts

                                                             have to live and work in cramped
                                                             conditions, they also have to be kept
      SPACE                                                 safe when they leave their spacecraft.



                                                             Controls for
           Gloves lock                                       life-support systems
            onto suit
             at wrists


          Main suit in                             SPACE CLOTHES
            two parts                                                                        WOW!
             that join                             The first astronauts wore
             at waist                              protective spacesuits throughout
                                                   their missions but, by the           All waste water on the
                                                   mid-1960s, safety improvements     ISS is recycled by passing
                                                  and larger spacecraft allowed        through a series of filters
          White material                          them to spend most of their time      and chemical reactions.
          reflects sunlight                                                             It ends up cleaner than
              and heat                            in more comfortable flight suits.
                                                 By the 1990s, the spacesuits worn        our drinking water
                                                 by NASA astronauts for working                on Earth.
          Layered fabrics                        outside the Space Shuttle (left) had
            trap air and
           protect wearer                       developed into self-contained
                                                personal spacecraft.


                                                               Astronaut Cady Coleman
                                                                 washes her hair with a
                                                                water-saving shampoo.
                                             KEEPING FIT
                                             As missions have lengthened
                                             from mere days to months,
                                             it’s become more important to
                                             keep astronauts in shape for                        KEEPING CLEAN
                                             their return to Earth. Weightless       Personal hygiene in space can be a
                                             conditions in zero-gravity space         problem—water is too precious to
                                             weaken muscles and bones,               waste and, if it is sprayed around, it
                                             so astronauts take a variety           forms weightless drops that interfere
                                             of supplements and exercise              with delicate electronic systems on
                                             regularly, often using elastic         board. Instead of showers, astronauts
                                             straps to mimic the pull of gravity.      use small pouches of liquid soap,
                                                                                        water, and “no rinse” shampoos.


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   US_278-279_Living_in_space_Gallery.indd   278                                                                 08/03/18   3:10 PM
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