## History of Astronomy |

### From inside the book

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Page 50

His life was short , but he accomplished a great deal , and rightly ascribed the

the direction of the line of apses , at the same time correctly assigning the ...

His life was short , but he accomplished a great deal , and rightly ascribed the

**lunar**inequality called evection to variations in the value of the eccentricity and inthe direction of the line of apses , at the same time correctly assigning the ...

Page 60

Halley similarly deduced a value for modern times , and found it sensibly greater .

He announced this in 1693 , but it was not until 1749 that Dunthorne used

modern

Halley similarly deduced a value for modern times , and found it sensibly greater .

He announced this in 1693 , but it was not until 1749 that Dunthorne used

modern

**lunar**tables to compute a**lunar**eclipse observed in Babylon 721 B . C .Page 81

To render the

successor , James Simms , in conjunction with the engineers , Ransome and May

, to construct an altazimuth with three - foot circles , and a five - foot telescope ...

To render the

**lunar**observations more continuous , Airy employed Troughton ' ssuccessor , James Simms , in conjunction with the engineers , Ransome and May

, to construct an altazimuth with three - foot circles , and a five - foot telescope ...

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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