Contribute by kelly on May 5, 2008.
Description: The solar system visible to the naked eye within the five planets Mercury, Venus, Mars, Jupiter, Saturn, after thousands of years of human exploration, to the 16th century, Copernicus heart that after the establishment of a general awareness: Earth to the sun is around one of the planet, And the Earth, including the Jiutaihangxing constitutes a trip around the sun rotating galaxies йд йд key members of the solar system.
Description: The solar system visible to the naked eye within the five planets Mercury, Venus, Mars, Jupiter, Saturn, after thousands of years of human exploration, to the 16th century, Copernicus heart that after the establishment of a general awareness: Earth to the sun is around one of the planet, And the Earth, including the Jiutaihangxing constitutes a trip around the sun rotating galaxies йд йд key members of the solar system.
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