Page 23 - All About History - Issue 16-14
P. 23

Transport







        HELMET                                                                 BACKPACK

        SEEING THE MOON THROUGH A                                              THE PACK THAT PROVIDED AIR AND WATER
        GOLDFISH BOWL                                                           The backpack was known as the Primary Life Support System, or PLSS.
        The suit’s helmet was                                                      It provided breathable air, removed carbon dioxide from the air
        designed to provide as much                                                  system, maintained suit pressure and stored 3.9 litres (1.03
        visibility as possible for the                                               gallons) of water. This essential bit of kit allowed astronauts to
        astronauts. Unlike earlier                                                   remain on the surface for up to eight hours at a time.
        spacesuits, there was no visor,
        as the helmet was covered
        in a reflective coating. The
        helmet connected to the neck
        of the suit via airtight metal
        ring connectors.
                                                                                                    THE
                                                                                          Anatomy


        CONTROL UNIT                                                                               of

        THE LITTLE BOX ESSENTIAL
        FOR SURVIVAL
        The Remote Control Unit
        situated on the suit’s chest                                                AN APOLLO 11
        allowed the astronauts to
        control their life-support
        systems as well as their radio
        communications. The unit
        also acted as a mount for                                                    ASTRONAUT
        the Hasselblad cameras the
        astronauts used to take the
        now iconic pictures of them
        on the Moon.
        A LAYER INSIDE                                                                TAKING TRANSPORT OUT
        THE SUIT                                                                            OF THIS WORLD

        HOUSTON, WE HAVE A PUNCTURE                                                       1969, THE COSMOS
        Micrometeorites just
        millimetres in size rain down
        on the Moon all the time –
        some of these fall fast enough
        to threaten to put a hole in a
        spacesuit and thus seriously
        threaten an astronaut’s life.
        Inside the suit astronauts                                             GLOVES
        wore an Integrated Thermal
        Micrometeoroid Garment that                                            PROTECTIVE BUT DEXTEROUS AT THE SAME TIME
        protected from meteorites as                                           An important part of the Apollo missions was to pick up and bring home
        well as thermal radiation from                                         samples of lunar rock and dust for scientific research. In order to be able
        the rays of the Sun.                                                   to pick these up, as well as do things like grip the handrail down from the
                                                                               landing craft, the glove’s blue fingertips were made of silicone rubber.


        BOOTS                                                                  SPACE SUIT

        ONE SMALL STEP FOR MAN…
        One of the most famous                                                 THIS SUIT WAS MADE FOR BOUNCING
        photographs from the Apollo                                            Wearing the spacesuit on Earth would feel like it was crushing the person
        missions is that of Neil                                               inside it – the suit weighed 91 kilograms (200 pounds). However, on the
        Armstrong’s boot print in                                              Moon gravity is only 17 per cent that of Earth, so the suit weighed only 15
        the lunar dirt. The boots                                              kilograms (34 pounds) and the astronauts were able to hop and bounce
        contained an inner pressure                                            around. After the Apollo 1 fire disaster that took the lives of astronauts Gus
        boot, a flexible sole and an                                           Grissom, Roger Chaffee and Edward White in 1967, NASA made all their
                                                                                                                                © The Art Agency/Ian Jackson
        outer boot made of mylar,                                              spacesuits fire-retardant, using a special silica cloth called Beta Cloth.
        which was covered in a fabric
        containing stainless steel.


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