1. ser'eznost'   gravity   universe   satellite   orbit   Hint Half-n-half Clue   2. orbita   orbit   outer space   comet   asteroid   Half-n-half Clue   3. kosmose   comet   universe   outer space   asteroid   Half-n-half Clue   4. galaktika   meteor   outer space   galaxy   planet   Half-n-half Clue   5. planeta   gravity   moon   planet   meteor   Half-n-half Clue   6. spútnik, satellít   satellite   astronaut   Earth   planet   Half-n-half Clue   7. Meteorit   comet   orbit   astronaut   meteorite   Half-n-half Clue