The Sun is a huge ball of burning gas which is made mostly of hydrogen., Mercury is a small rocky sphere which is not much bigger than our Moon., Venus is the hottest planet in the Solar System which has an average temperature of 460°C., Earth has an ideal atmosphere which traps just the right amount of the Sun’s heat. , Mars has a thin atmosphere which does not trap enough of the Sun's heat to have a stable temperature., The Great Red Spot on Jupiter is a huge storm which has been raging for at least 300 years., Saturn is famous for its beautiful rings which extend out about 280,000 km from the planet. , Uranus is a cold planet which is the first of the ice giants in the Solar System. , Neptune is the only planet in the Solar System that we cannot see with just our eyes.,

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