Science & Technology

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Across
  1. 5. Wires to receive signals
  2. 7. To keep going; not give up
  3. 8. To find/locate someone/something
  4. 9. Faster than the speed of sound
Down
  1. 1. To bring jumpers back to Earth safely
  2. 2. A vehicle to carry people into space
  3. 3. Imaginary line around the middle of the World
  4. 4. Weak; not strong
  5. 6. Taking a risk; being brave