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Great Astronomers

Sir Robert S. Ball

120 ratings
Great Astronomers | Sir Robert S. Ball

Great Astronomers

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From the days of Hipparchus down to the present hour the science of astronomy has steadily grown. One great observer after another has appeared from time to time, to reveal some new phenomenon with regard to the celestial bodies or their movements, while from time to time one commanding intellect after another has arisen to explain the true import of the facts of observations
Tycho had to evade the vigilance of his conscientious tutor, who felt it his duty to interdict all such occupations as being a frivolous waste of time. It was when Vedel was asleep that Tycho managed to escape with his cross staff and measure the places of the heavenly bodies. Even at this early age Tycho used to conduct his observations on those thoroughly sound principles which lie at the foundation of all accurate modern astronomy. Recognising the inevitable errors of workmanship in his little instrument, he ascertained their amount and allowed for their influence on the results which he deduced. This principle, employed by the boy with his cross-staff in 1564, is employed at the present day by the Astronomer Royal at Greenwich with the most superb instruments that the skill of modern opticians has been able to construct.

TYCHO'S TRIGONIC SEXTANT.
(The arms, AB and AC, are about 5 1/2 ft. long.)TYCHO'S TRIGONIC SEXTANT.
(The arms, AB and AC, are about 5 1/2 ft. long.)

After the death of his uncle, when Tycho was nineteen years of age, it appears that the young philosopher was no longer interfered with in so far as the line which his studies were to take was concerned. Always of a somewhat restless temperament, we now find that he shifted his abode to the University of Rostock, where he speedily made himself notable in connection with an eclipse of the moon on 28th October, 1566. Like every other astronomer of those days, Tycho had always associated astronomy with astrology. He considered that the phenomena of the heavenly bodies always had some significance in connection with human affairs. Tycho was also a poet, and in the united capacity of poet, astrologer, and astronomer, he posted up some v

Diba Kazi 01/08/2019
"Great Astronomers" written by an astronomer is a homage to the great men in the past. It takes you right to the start from the skies of Ptolemy to Adams. Some known astronomers like Copernicus, Galileo to some unknowns like the sir of The Earl of Rosse. It was delight to read about their lives and
Ross 04/28/2016
Written 125 years ago, I cannot recommend it. The style of the writing vacillates between tendentious, flowery, pompous and gushing over the author's subjects. I did finish the book, however, so my rule is to give it 2 stars.

I will mention how I came to obtain the book by chance for those who use, o
Ramiz 07/27/2015
Well, the book is okay. Just portrays the lives of great astronomers in a simple way. No elegance or waywarding. Just the plain old simple story telling style which lacks any point where you can get excited by the way the author narrates the story. All in all a good book if biographies interest you.
Nada 12/25/2014
This book is recommended for those who are interested in space and astronomy .

great astronomers by Robert s.ball
consists of 19 chapters one of them the introduction and then 18 chapters which each of them talks about a well known great astronomer , his life , discoveries & achievements

-ptloemy
-c

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