1. telescope   tai yang   wai ceng [kong;kong] [jian;jian]   wang yuan jing   hui xing   Hint Half-n-half Clue   2. planet   [xing;hang] xing   [di] qiu   hui xing   xing [xi;ji]   Half-n-half Clue   3. Sun   tai yang [xi;ji]   wai ceng [kong;kong] [jian;jian]   tai yang   gui dao   Half-n-half Clue   4. universe   [xing;hang] xing   xing [xi;ji]   yu zhou   xing   Half-n-half Clue   5. moon   yue liang   xing   tai yang [xi;ji]   wai ceng [kong;kong] [jian;jian]   Half-n-half Clue   6. atmosphere   [zhong;chong] li   [da;dai] qi   xiao [xing;hang] xing   xing   Half-n-half Clue   7. asteroid   [di] qiu   yu hang [yuan]   xiao [xing;hang] xing   wei xing   Half-n-half Clue