History of Astronomy |
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Page 55
But improved mathematical methods have always succeeded in the end , and so
the seeming doubt has been converted into ... He invented a mathematical
method which he used for computing the ratio of the polar to the equatorial
diameter .
But improved mathematical methods have always succeeded in the end , and so
the seeming doubt has been converted into ... He invented a mathematical
method which he used for computing the ratio of the polar to the equatorial
diameter .
Page 62
This led Euler to write a valuable essay disclosing a new method of computing
perturbations , called the instantaneous ellipse with variable elements . The
method was much developed by Lagrange . But again it was Laplace who solved
the ...
This led Euler to write a valuable essay disclosing a new method of computing
perturbations , called the instantaneous ellipse with variable elements . The
method was much developed by Lagrange . But again it was Laplace who solved
the ...
Page 85
Another method of getting the distance from the sun is to measure the velocity of
the earth ' s orbital motion , giving the circumference traversed in a year , and so
the radius of the orbit . This has been done by comparing observation and ...
Another method of getting the distance from the sun is to measure the velocity of
the earth ' s orbital motion , giving the circumference traversed in a year , and so
the radius of the orbit . This has been done by comparing observation and ...
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Contents
Ancient GREEK ASTRONOMY | 3 |
INSTRUMENTS OF PRECISIONSIZE OF THE SOLAR | 10 |
GALILEO AND THE TELESCOPENOTIONS OF GRAVITY | 46 |
5 other sections not shown
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Common terms and phrases
accepted accurate ancient appear astronomers attraction bodies born bright calculations called catalogue cause centre century circle comet compared complete Copernicus determined diameter direction discovered discovery distance earth eclipse effect enabled epicycles equal error excentric explain fact fixed follow force Galileo give given gravitation heavenly heavens held Herschel Hipparchus idea included interesting invented Jupiter Kepler knowledge known later light lunar Mars mass mathematical mean measured method miles minutes moon moon's motion move Newton noticed object observations Observatory opposition orbit original parallax pass period photographic physical planetary planets pole position predicted present principle progress proper proved records revolve rotation round Royal satellites says seems seen showed solar system spectroscope spectrum stars studied sun's supported supposed surface tables telescope theory tion trace true Tycho Brahe uniform universal
Bibliographic information
| Title | History of Astronomy Hist. of sci. series History of science series |
| Author | George Forbes |
| Publisher | Watts, 1909 |
| Original from | the University of California |
| Digitized | 13 Jan 2011 |
| Length | 154 pages |
| Export Citation | BiBTeX EndNote RefMan |