Special Days Every Month
Celebrate and learn about special days
every day of the year in 2010!
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Telescope
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Galileo's telescope has helped astronomers learn more about our solar system. For example, the moon was not, as long believed, completely smooth and that Venus showed a range of moon-like phases, something which could not happen if both it and the sun orbited the Earth.
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On 25 August 1609, the Italian astronomer and philosopher Galileo Galilei demonstrated his new creation the telescope. Back to Facts of the Day Calendar
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© Copyright 2010 Mandy Barrow
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