Page 79 - (DK) Danger! Open with Extreme Caution!
P. 79

JUNK CHART


                                                                                                              200
                                                                                          Rocket boosters     points
                                                                                          The fuel required to
                                                                                          thrust a spacecraft into orbit
                                                                                          is carried in rocket boosters.
                                                                                          When the fuel is used up,
                                                                                          the empty rocket boosters
                                                                                          are jettisoned into space.


                                                                                                              150
                                                                                          Speeding glove      points
                                                                                          In 1965, the Gemini 4
                                                                                          astronaut Edward White lost
                                                                                          one of his thermal gloves.
                                                                                          Speeding around Earth’s
                                                                                          orbit, it became the most
                                                                                          dangerous garment in history.


                                      Space walk                                                              100
                                      Caution! Your spacecraft                            Defunct             points
                                      is in urgent need of repair.                        satellites
                                      Before stepping out,                                 Thousands of satellites have
                                      firmly attach yourself                               been sent into space. When
                                      to the spacecraft—if                                 they reach the end of their
                                      untethered, you will keep                            useful lives, most are just
                                                                                           left in their old orbits.
                                      floating off, lost in
                                      space forever.
                                                                                                              80
                                                                                          Chips of paint      points
                                                                                          A tiny speck of paint
                                                                                          can bore a coin-size hole
                                                                                          into a spacecraft. Showers
                                                                                          of space dust can rip away
                                                                                          pieces of insulation, knocking
                                                                                          a spacecraft off course.














                                                                         SUITED AND BOOTED

                                                                          You would not survive for
                                                                          long without a space suit.
                                                                          Exposed to the vacuum of
                                                                          space, you would lose
                                                                          consciousness in about
                   HOLD FIRE!                                             15 seconds owing to a lack
                                                                          of oxygen to the brain. With
                                                                          no protection from the Sun’s
                   Fast reactions to avoid a collision are your best
                   bet for surviving a trip through the floating junk.    radiation, your skin would suffer
                   Don’t try shooting at it or you will just litter your   burns and your saliva would start to boil.
                   way with more pieces to avoid.                         Game over!
                                                                                         DANGERS IN ORBIT           79
                                           (c) 2011 Dorling Kindersley. All Rights Reserved.
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