## History of astronomy |

### From inside the book

Results 1-3 of 13

Page 60

Newton's Successors—

succeeded Flamsteed as Second Astronomer Royal in 1721. Although he did not

contribute directly to the mathematical proofs of Newton's theory, yet his name is

...

Newton's Successors—

**Halley**, Euler, Lagrange, Laplace, etc. Edmund**Halley**succeeded Flamsteed as Second Astronomer Royal in 1721. Although he did not

contribute directly to the mathematical proofs of Newton's theory, yet his name is

...

Page 64

When

date of perihelion passage were very exact, and afterwards he showed that, with

more exact values of the masses of Jupiter and Saturn, his prediction was correct

...

When

**Halley's**comet reappeared in 1835, Pontecou- lant's computations for thedate of perihelion passage were very exact, and afterwards he showed that, with

more exact values of the masses of Jupiter and Saturn, his prediction was correct

...

Page 152

... C. M., 88

C. L. , 67 Heliometer, 83 Heller, 120 Helmholtz.H. L. F., 35 Henderson, T., 128

Henry, ...

... C. M., 88

**Halley**, E., 19, 51, 58, 60, 61, 62, 63. 64, 79, 120, 122, 125, 129**Halley**'s comet, 62-64 Halm, 85 Hansen, P. A., 3, 65 Hansky, A. P., 100 Harding,C. L. , 67 Heliometer, 83 Heller, 120 Helmholtz.H. L. F., 35 Henderson, T., 128

Henry, ...

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### Contents

Ancient AstronomyChinese and Chaldeans | 7 |

Ancient Greek Astronomy | 13 |

The Reign of Epicycles From Ptolemy | 23 |

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### Common terms and phrases

accurate observations Airy ancient astro Astronomer Royal astronomical units attraction axis bright calculations Cape Cassini catalogue centre century Chinese comet compute Copernicus diameter discovered discovery earth eclipse Egyptian epicycles equatoreal error excentric explain fact fixed stars Galileo Greenwich Halley Halley's comet heavenly bodies heavens heliometer Hipparchus hydrogen hypothesis instruments Johann Kepler John Herschel Jupiter Jupiter's Kepler Lick Observatory light line of apses line of sight lunar Mars mathematical mean distance mean motion measured Mercury meteor miles a second moon moon's nebulae Newton nodes noticed Observatory orbit parallax perihelion period photographic physical planet planetary pole position predicted proper motion proved Ptolemy R. S. Phil recognised records refractor retrograde retrograde motion ring rotation satellites seems seen showed Sirius solar system spectra spectroscope spectrum sphere spots stellar sun-spot supposed tables telescope theory tion Trans Tycho Brahe Uranus velocity Venus Verrier zenith