Popular Astronomy...

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Harper, 1880 - 571 síđur
 

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Inequalities in the Motions of the Planets produced by their Mutual Attraction
93
Relation of the Planets to the Stars
103
PART II
105
ARMILLARY SPHERE AS DESCRIBED BY PTOLEMY
107
CHAPTER I
108
THE GALILEAN TELESCOPE
110
FORMATION OF AN IMAGE BY A LENS
111
GREAT TELESCOPE OF THE Seventeenth Century
114
The Achromatic Telescope
116
SECTION OF AN ACHROMATIC OBJECTIVE
117
The Mounting of the Telescope
120
MODE OF MOUNTING A TELESCOPE
121
The Reflecting Telescope
123
SPECULUM BRINGING RAYS TO A SINGLE FOCUS BY REFLECTION
124
HERSCHELIAN TELESCOPE
125
SECTION OF THE GREGORIAN TELESCOPE
126
The Principal Great Reflecting Telescopes of Modern Times
127
HERSCHELS GREAT TELESCOPE
129
LORD ROSSES GREAT TELESCOPE
132
MR LASSELLS GREAT FOURFOOT REFLECTOR
134
THE NEW PARIS REFLECTOR
136
Great Refracting Telescopes
137
THE GREAT MELBOURNE REFLECTOR
138
The Magnifying Powers of the Two Classes of Telescopes
141
CHAPTER II
148
CIRCLES OF THE CELESTIAL SPHERE
149
The Meridian Circle and its Use
154
THE WASHINGTON TRANSIT CIRCLE
155
SPIDER LINES IN FIELD OF VIEW OF A MERIDIAN CIRCLE
156
Determination of Terrestrial Longitudes
159
Mean or Clock Time
164
MEASURING DISTANCES IN THE HEAVENS
167
DIAGRAM ILLUSTRATING PARALLAX
168
VARIATION OF PARALLAX WITH THE ALTITUDE
169
APPARENT PATHS OF VENUS ACROSS THE
178
VENUS APPROACHING INTERNAL CONTACT ON THE FACE OF THE SUN
180
THE BLACK DROP OR LIGAMENT
181
METHOD OF PHOTOGRAPHING THE TRANSIT OF VENUS
188
ARTIFICIAL TRANSIT OF VENUS
190
MAP OF THE EARTH SHOWING THE AREAS OF VISIBILITY OF THE TRANSIT OF 1874
193
Map of thE WORLD SHOWING THE REGIONS IN WHICH THE TRAN SIT OF VENUS WILL BE VISIBLE ON DECEMBER 6TH 1882
197
EFFECT OF STELLAR PARALLAX
204
CHAPTER IV
212
ABERRATION OF LIGHT
214
REVOLVINg Wheel for MEASURING THE VELOCITY OF LIGHT
218
ILLUSTRATING FOUCAULTS METHOD OF MEASURING THE VELOCITY OF LIGHT
220
CHAPTER V
224
The Planet Mars
326
The Small Planets
331
CHAPTER IV
339
The Satellites of Jupiter
344
Saturn and its System Physical Aspect Belts Rotation
346
The Rings of Saturn
349
Constitution of the Ring
357
The Satellites of Saturn
359
Uranus and its Satellites
361
Neptune and its Satellite
366
CHAPTER V
373
Motions Origin and Number of Comets
377
Remarkable Comets
382
Enckes Comet and the Resisting Medium
389
Meteors and Shootingstars
392
Relations of Comets and Meteoroids
399
The Physical Constitution of Comets
406
The Zodiacal Light
413
PART IV
415
THE STARS AS THEY ARE SEEN
418
Description of the Principal Constellations
425
New and Variable Stars
434
Double Stars
444
Clusters of Stars
449
Nebulć
452
Proper Motions of the Stars
460
CHAPTER II
468
Views of Astronomers before Herschel
469
Researches of Herschel and his Successors
473
Probable Arrangement of the Visible Universe
486
Do the Stars really form a System?
491
CHAPTER III
499
The Modern Nebular Hypothesis
501
Progressive Changes in our System
507
The Sources of the Suns Heat
513
Secular Cooling of the Earth
519
General Conclusions respecting the Nebular Hypothesis
522
The Plurality of Worlds
524
LIST OF THE PRINCIPAL GREAT TELESCOPES OF THE WORLD
529
LIST OF THE MORE REMAarkable DoubLE STARS
531
LIST OF THE MORE INTERESTING AND REMARKABLE NEBULE AND STAR CLUSTERS
533
PERIODIC COMETS SEEN AT MORE THAN ONE RETURN
535
ELEMENTS OF THE ORBITS OF THE EIGHT MAJOR PLANETS FOR 1850
536
DETERMINATIONS OF STELLAR PARALLAX
543
INDEX
567
EXPLANATION OF THE STAR MAPS
573

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