The Search for Alien Life

12345678910111213
Across
  1. 2. the start, center, or beginning of something
  2. 4. someone who studies galaxies, stars, and planets
  3. 7. the long name for the signs that the SETI astronomers are looking for
  4. 9. a large object such as Jupiter or Earth that orbits a star
  5. 10. is different or foreign
  6. 11. a person living in a city or town especially
  7. 12. to be living, to be or to be real
  8. 13. not real, like a fairy tale
Down
  1. 1. space that contains billions of galaxies and stars
  2. 3. the town we live in
  3. 5. someone who conducts scientific research
  4. 6. started or set in motion
  5. 8. stands for the search for extraterrestrial intelligence