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71:. The planets were originally seen as a divine presence; as emissaries of the gods. As scientific knowledge advanced, the human perception of the planets changed over time, incorporating a number of disparate objects. On 24 August 2006, the IAU officially adopted a resolution
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found their orbits to be not circular, but elliptical. Since 1992, through the discovery of hundreds of
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suggested that the planets orbited the Sun, and this view was supported by
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139:(originally classified as the Solar System's ninth planet),
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55:that is massive enough to be rounded by its own
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125:Extrasolar Planets Encyclopaedia
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65:cleared its neighbouring region
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121:multiple planetary systems
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160:More selected articles
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43:is a celestial body
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113:extrasolar planets
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85:Galileo
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