Space Exploration

123456789101112
Across
  1. 5. the first man-made satellite
  2. 6. first satellite launched by Thailand in space
  3. 9. the first man to orbit the space
  4. 11. invented the first microscope in 1609
  5. 12. propelled by ejecting gases from combustion of fuel
Down
  1. 1. an instrument used to observe far away objects
  2. 2. an English scientist who developed the telescope
  3. 3. German-Ducth eyeglass maker credited for the invention of telescope
  4. 4. satellite whose function is to discover resources in the earth
  5. 7. the first animal to go to space
  6. 8. two main components of telescope, objective lens and ____.
  7. 10. the first satellite to successfully carry humans to the moon