Page 170 - How It Works - Book Of Amazing Answers To Curious Questions, Volume 05-15
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What was Vostok 6?






          How the first woman was sent into space
               he Soviet Union achieved many fi rsts in                                                  Vostok 6 capsule
               the quest to explore space. They   Tereshkova’s                                          The spherical capsule
         Tlaunched the fi rst artifi cial satellite,   spacecraft                                         contained a 2.3m (7.5ft)
                                                                                                        wide pressurised cabin,

          Sputnik, in 1957, sent the first animal, Laika                                                 with an ejection seat for
          the dog, beyond Earth’s atmosphere in the   The Vostok 6 capsule                              Tereshkova to sit in.
          same year, and then launched the fi rst human   and its launch vehicle
          into orbit, Yuri Gagarin, four years later.
          However, they weren’t ready to stop there, and
          so in 1963 they beat America to yet another                                                      Air supply
          space race milestone – sending the fi rst                                                         Tanks of compressed
          woman into space.                                                                                nitrogen and oxygen
           Valentina Tereshkova was a textile factory                                                      provided breathable
          worker and keen skydiver before starting   Payload fairing                                       air for Tereshkova
          cosmonaut training in 1962. She was chosen for   The Vostok 6 capsule was                        and propulsion for
                                                                                                           the spacecraft.
                                                 shielded during launch by
          her excellent parachuting skills, as she would   two petal-like coverings
          be required to eject from her Vostok 6   called the payload fairing.
          spacecraft when returning to Earth and
          parachute down separately. Just one year later,
          at the age of 26, she was ready for her mission,                                              Instrument section
          uttering the words “Hey, sky! Take off your hat,   Final stage                                The conical module
          I’m coming!” just before launch.       The upper section of                                   underneath the capsule
           However, Tereshkova wasn’t actually alone   the rocket contained                             contained the Earth-
          in space, as two days earlier Vostok 5 had   the Vostok 6 capsule                             return rocket and thermal
                                                 and  helped insert it
                                                                                                        control systems.
          launched onto the same orbital path. It was   into orbit.
          originally intended for both spacecraft to be
          piloted by women, with Tereshkova at the
          controls of Vostok 5, but male astronaut Valery                                 Core stage
          Bykovsky ended up in the capsule. The two                                       Also using kerosene
                                                                                          and liquid oxygen as
          spacecraft came within five kilometres (three   Rocket booster                   fuel, the middle section

          miles) of each other in orbit, and Bykovsky   The Vostok’s boosters             continued to provide
          reported that Tereshkova hummed songs to   used RD-107 engines,                 thrust when the
          him via radio link before they drifted apart   which had been                   boosters fell away.
          and the connection was lost. After Bykovsky   developed from the
                                                 world’s fi rst
          had completed 82 obits of Earth and    intercontinental
          Tereshkova had done 48, both cosmonauts   ballistic missiles.
          successfully returned to Earth on the same
          day. Tereshkova was almost unconscious
          when she landed, but by the following day she                                               The two

          was well enough to film a re-enactment. She
          soon became a global celebrity, but it would be
          19 years before another woman, Svetlana
          Savitskaya, would follow in her footsteps.                                             came within
                                                Much of Vostok 6’s
                                              heat shield was burnt                              three miles
                                                 during re-entry,
                                                   revealing the
                                                  insulation layer                               of each other
                                                      beneath









                                                                                                     First stage
                                                                                                     Each of the four boosters had a
                                                                                                     rocket engine at the base, and
                                                                                                     were fuelled by kerosene and
                                                                                                     liquid oxygen.

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