Classify the planets as terrestrial planets or gas giants. celestial body a is the largest planet in the solar system. celestial body b is the lightest planet in the solar system and is closest to the sun. celestial body c has optimum conditions to sustain life. celestial body d has 17 times more mass than earth and has gravity that is 1.14 times that of earth. celestial body e has the most volcanoes in our solar system apart from earth. it is the second closest planet to the sun. celestial body g has a core that consists of iron sulfide mixed with nickel and is the second-smallest planet in the solar system. celestial body h is the second-largest planet in the solar system and has visible rings. celestial body i has a core composed of nickel-iron alloy and rock surrounded by an outer layer of hot fluid. the fluid contains water, ammonia, and methane. body i has 27 moons.