Page 5 - 11.1 THE MOON INTRODUCTION
P. 5

OON
                                            IONS
                                                                                        M
                                                                        ON
             ONDIT
        CONDITIONS ON MOON
        C


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                                                                                                      t
                                                                                                        s
       • There is no atmosphere to protect its
                                                                                                     i
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                                                                                f
                                                   e

                                                           av
                  f
                                                                         s
                               f

                                                                      e
                                                                ag

                          e
                     ac
                                                                                             mi
                                              t
                                  r
                                                                                          s
                                                                                                  c
          s
          surface from the ravages of cosmic

                                       m
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                                                h

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                                                                                         me
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                                                                      d
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                                                                                   r
                                                                                      o
                                                                           mi
                                                                                 c
             ad
                   i
                           o
                                ,

                          i
          r
          radiation, solar wind and micrometeorite
                              n
                    at
          impacts.
                        r

                                                                     s
                                                             o
                                                          o
                             s
                                                                  '
                           e
                                                                n
                                                                         s
                                                                                                s
                                                                                               i

       • As a result, the Moon's surface is
          As

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                   a
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                                                                                    ac

                                                                                 f
                                                      M


                                    t
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                                                                                           e
                                   i
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                                                                                    f
                                                                        r
                                                                                              ,

                        e
                                                  t

          c
                                                       i

                                                         n
                                                    h
          covered with a thin layer of fine,
                                       h
                                     t
                                                               ay
                                             a
             o
                                                              l
                                w
                  e
                           d
          charged, reactive dust capable of
          c  h  ar   g  e  d  ,    r e  ac    t i v e    d  u  s t    c  ap   abl     e    o  f
          entering habitats and vehicle
          e  n  t e  r  i n g    h  abi    t  at   s    an    d    v e  h  i c l e
          c  o  mp     ar   t me     n  t s  ,    w  h  e  r e     i t   c an      c  au    s e
          compartments, where it can cause
          c  r e  w   me     mbe       r    h  e  al  t h     p r  o  bl  e  ms     .
          crewmember health problems.
          T
       • The temperature of moon is very

                                     r
                                        at
              h
                                                                                         r
                                                                                      e

                                                                                    v
                                                                                            y


                      t
                                                          f
                                  e
                                                                        n

                           mp
                                                r
                                                               mo
                                             u
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                                                                               s
                                                  e
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                                                       o

                                                                      h
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                                    T
                                                  i

                                                   d

                               .
                                                      e
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                                                            o
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                                                                              M

                                                                                        n
                t
                                               s
                                          e

                   r
                                                                                     o
             x
                                                                                  o
          e
                                                                                             f
          extreme. The side of the Moon faces
                        me

                                                                         e
                     e

          t  h  e    s u  n    i s   1  1   0  d  e  g r  e  e    C  e  l s i u s    w   h  e  r e    t  h  e
          the sun is 110degree Celsius where the
          aw     ay      p  ar   t    r e  c  e  i v e s    a    t  e  mp     e r  at   u  r e     o f
          away part receives a temperature of -
          150 degree Celsius.
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