1. meteorite   grah   ulkaa-pind   upagrah   grahikaa, kshudragrah   Hint Half-n-half Clue   2. star   gurutvaakarshan   brahmaand   taaraa   antariksh   Half-n-half Clue   3. orbit   antariksh   ulkaa   grahpath   grah   Half-n-half Clue   4. outer space   antariksh   bhoo-lok   dhoomketu, pucchalataaraa   chandramaa   Half-n-half Clue   5. astronomer   dhoomketu, pucchalataaraa   vaayumandal   gurutvaakarshan   khagolgya   Half-n-half Clue   6. atmosphere   prakaash varsh   chandramaa   vaayumandal   grahpath   Half-n-half Clue   7. comet   antariksh yaatree   ulkaa   dhoomketu, pucchalataaraa   antariksh   Half-n-half Clue