makes H. A. Rey’s passion for astronomy evident on every page.New updates concentrate on the planetary and solar system information in the latter part of the book. Facts and figures for each planet have been revised, and new scientific information has been added, such as Pluto’s reclassification as a dwarf planet. There's also a brand-new online resource that allows readers to track the positions of the planets in the night sky till the year 2100!

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