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26_b867ba13216bd45ecbf5c21d7f620fbb
2009-03-03 20:44:01

Antonio Abetti (June 19, 1846 "“ February 20, 1928) was an Italian astronomer born in San Pietro di Gorizia. He earned a degree in mathematics and engineering at the University of Padua. He Later became director of the Osservatorio Astrofisico di Arcetri (otherwise known as the Arcetri Observatory) and became a professor at the University of Florence. In 1874 Antonio Abetti was part of an expedition led by Pietro Tacchini to observe a transit of Venus with a spectroscope. The crater...

7_9ed77167bb9b6f0379e955473d8eead32
2004-10-19 04:45:43

Positional Astronomy -- Positional astronomy is the study of the positions of celestial objects. This is the oldest branch of astronomy and dates back to antiquity. Observations of celestial objects are important for religious and astrological purposes, as well as for timekeeping. Ancient structures associated with positional astronomy include: -- Chichn Itz -- The Medicine Wheel -- The Pyramids -- Stonehenge -- The Temple of the Sun The unaided human eye can...

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Word of the Day
donative
  • A gift; a largess; a gratuity; a present; a dole.
The word 'donative' comes from a Latin word meaning 'to give'.
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