Age on Other Planets


Neptune - Rotating Model
Credit: Almond/NASA

Neptune is the furthest planet from the Sun. About 30 times further away than the Earth is. It is a blue giant planet like Uranus. These planets are also called ice giants. They are made of mostly water, methane and ammonia ice, with a small rocky core.


Mercury - Rotating Model
Credit: Almond/NASA

Mercury is the closest planet to the Sun. It is also the smallest planet in the Solar System, not much bigger than the Moon. If you were standing on Mercury the Sun would look about 3 times bigger in the sky.