Discovery

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Across
  1. 2. The Internet is a series of computer _______ that connect with each other to allow the exchange of information.
  2. 3. The space rover's mission was to ______ the surface of Mars.
  3. 5. Explorers push their _______ sometimes for the benefit of all humankind.
  4. 6. Some Sherpa people from Nepal work as guides helping climbers _______ up Mount Everest.
  5. 7. Astronauts who go to the ISS, ________ into space from Baikonur Cosmodrome in Kazakhstan.
Down
  1. 1. To prove her _____ , the scientist carried out research for five years.
  2. 4. It requires a great deal of _______ for humans to spend any length of time in space.
  3. 5. Sir Alexander Fleming's accidental discovery that penicillin kills bacteria was an important ______ in medicine.