1. bhoo-lok   atmosphere   Earth   Sun   solar system   Hint Half-n-half Clue   2. aakaashagangaa   solar system   Earth   light years   galaxy   Half-n-half Clue   3. vaayumandal   orbit   meteorite   light years   atmosphere   Half-n-half Clue   4. gurutvaakarshan   Sun   telescope   solar system   gravity   Half-n-half Clue   5. grahikaa, kshudragrah   galaxy   asteroid   Sun   light years   Half-n-half Clue   6. upagrah   meteor   star   satellite   comet   Half-n-half Clue   7. prakaash varsh   meteorite   astronomer   satellite   light years   Half-n-half Clue