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Alexander Gerst  

Alexander Gerst's Horizons Blog

Alexander Gerst's Horizons Blog
  • Preparing for the unknown
    How do you prepare for the things you don’t know? That’s right – it’s tricky. And it’s one of the fundamental problems of space flight. With projects like the International Space Station (ISS), in 20 years of operation, we have gained a knowledge base that is large enough to prepare [...]
  • Cave life for space
    Before I realised it, the cave clamped down on me. A completely different world surrounded me, absorbing all my attention. This was not a simulation, but real exploration in a hostile environment dominated by darkness. Darkness was my steady companion during the six days of underground life with ESA’s CAVES [...]
  • Meet the cavenaut Alexander Gerst
    ESA astronaut Alexander Gerst has spent over 5700 sunrises and sunsets in space, yet he has never been more than a day in the total darkness of a cave on Earth. “I have been to several caves for small trips, but I haven’t really spent a long time in them. [...]
   
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