1. Red Planet   Mars   Mercury   Pluto   Jupiter   Hint Half-n-half Clue   2. Brightest planet as viewed from the Earth   Jupiter   Mercury   Moon   Venus   Half-n-half Clue   3. Largest planet of our solar system   Jupiter   Neptune   Saturn   Uranus   Half-n-half Clue   4. Least dense planet of our solar system   Pluto   Earth   Saturn   Jupiter   Half-n-half Clue   5. Most dense planet of our solar system   Jupiter   Earth   Pluto   Saturn   Half-n-half Clue   6. Planet, besides Jupiter, that has storms as revealed by dark spots   Saturn   Pluto   Neptune   Uranus   Half-n-half Clue   7. Planet with most-tilted axis that seems to spin on its side   Uranus   Saturn   Jupiter   Neptune   Half-n-half Clue