1. Hottest place on the Earth (for extended periods of time)   Hint First letter clue   2. Nearest star to the Earth   First letter clue   3. Brightest star as seen from the Earth   First letter clue   4. Coldest planet of our solar system   First letter clue   5. Deepest part of the ocean   First letter clue   6. Nearest star to the Earth (other than the Sun)   First letter clue   7. Smallest planet of our solar system   First letter clue