Jupiter is the biggest and is truly giant. It is large enough for 11 Earths to fit across its face and 1,300 to fit inside it. There are four giant planets in our Solar System. The next biggest is Saturn, followed by Uranus, and Neptune. They are also known as ''gas giants'' because of their colorful, ice-cold gas atmosphere.
Jupiter is shrinking. When it was young it was five times its present size. It is cooling and getting smaller by about 2cm (0.8 in) a year.ha
Jupiter is shrinking. When it was young it was five times its present size. It is cooling and getting smaller by about 2cm (0.8 in) a year.ha
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