1. star   eisei   hoshi   kousei、wakusei   ryuusei   Hint Half-n-half Clue   2. meteor   taiyoukei   taiki   chikyuu   ryuusei   Half-n-half Clue   3. atmosphere   taiki   uchuukuukan   kounen   taiyou   Half-n-half Clue   4. comet   uchuukuukan   suisei   tsuki   chikyuu   Half-n-half Clue   5. Earth   kounen   uchuhikoushi   chikyuu   bouenkyou   Half-n-half Clue   6. galaxy   gingakei   bouenkyou   eisei   uchuukuukan   Half-n-half Clue   7. outer space   uchuukuukan   bouenkyou   tenbungakusha   suisei   Half-n-half Clue