space exploration

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Across
  1. 3. develops something
  2. 5. a mistake,error
  3. 6. to ruin,cause harm
  4. 8. money given for a project
  5. 10. involve
  6. 11. endless
  7. 13. not sure, with doubt
  8. 14. risky,goal
Down
  1. 1. to move on,to prosper
  2. 2. something difficult to achieve
  3. 4. pleasure
  4. 7. can't deny
  5. 9. superior,outstanding
  6. 12. to leave land through the sky