1. Brightest planet as viewed from the Earth   Hint First letter clue   2. Largest planet of our solar system   First letter clue   3. Most dense planet of our solar system   First letter clue   4. Least dense planet of our solar system   First letter clue   5. Red Planet   First letter clue   6. Planet with most-tilted axis that seems to spin on its side   First letter clue   7. Planet with fastest orbiting speed around the Sun   First letter clue