Aerocross- A crossword on Aerospace

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Across
  1. 3. The name of ISS's primary airlock
  2. 6. A huge, colossal habitat in space( doesn't exist yet) which can support thousands of residents
  3. 9. The name of the third United States human spaceflight program
  4. 10. The most popular aerospace company in the world
Down
  1. 1. The first Soviet probe to crash land on Venus, becoming the first spacecraft to reach the surface of another planet
  2. 2. An orbit around Earth with an altitude between the Earth's surface and 2,000 kilometers, with an orbital period of between about 84 and 127 minutes
  3. 4. India's recent orbiter mission to Mars
  4. 5. Rope like material used by astronauts during Extra- Vehicular Activities(EVAs)
  5. 7. China's first prototype space station
  6. 8. The nearest celestial body to us, where we can make a colony