Mysteries in the Planetarium (3)

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Features: Besides Earth, there are eight other planets—Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto—revolving around the Sun. Together with the Sun, they form the solar system family. Earth is just an ordinary member in this family. Since the 1960s, humans have used advanced technology to launch various space probes to visit neighboring planets. This has not only broadened our horizons but also solved some mysteries in the solar system. Today, let’s join Grandpa Doctor, Dou Dou, and Little Star as we visit the solar system family and meet these "brothers and sisters," sharing the remarkable achievements of human exploration of the planetary world. This is a great opportunity that we can’t miss!