1. astronaut   shouwakusei   kounen   inseki   uchuhikoushi   Hint Half-n-half Clue   2. moon   tsuki   uchuukuukan   tenbungakusha   suisei   Half-n-half Clue   3. comet   taiyoukei   eisei   suisei   bouenkyou   Half-n-half Clue   4. universe   uchuu   kidou   tenbungakusha   kousei、wakusei   Half-n-half Clue   5. orbit   hoshi   uchuhikoushi   taiyoukei   kidou   Half-n-half Clue   6. outer space   uchuhikoushi   suisei   uchuukuukan   tsuki   Half-n-half Clue   7. telescope   gingakei   kidou   taiyou   bouenkyou   Half-n-half Clue