1. Which planet is known as the "watery planet" or "blue planet" ?   Hint First letter clue   2. Which planet is closest to Earth ?   First letter clue   3. Which of the following is a Jovian (Jupiter-like) planet ?   First letter clue   4. Which planet has an orbit around the Sun whose angle is steeper than that of other planets ?   First letter clue   5. Which of the following is not an 'Outer Planet' ?   First letter clue   6. Which planet is most likely to support life after the Earth ?   First letter clue   7. Which is the only outer planet made of solid material ?   First letter clue