Elements of Astronomy: Descriptive and Physical ... |
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Page 8
... attractions , XXI . Spheroidal forms of the planets , · Precession of the Equinoxes , The Zodiac , New Style , Dominical Letter , - Nutation of the Earth's axis , Diminishing obliquity of the Ecliptic , XXII . Tides , Meteorology ...
... attractions , XXI . Spheroidal forms of the planets , · Precession of the Equinoxes , The Zodiac , New Style , Dominical Letter , - Nutation of the Earth's axis , Diminishing obliquity of the Ecliptic , XXII . Tides , Meteorology ...
Page 13
... attraction at its surface is 27 times as powerful , as the attraction of the Earth . For light , color , and heat , we are indebted to the Sun's influence . The Sun has THREE motions . ' ( One motion is round the common centre of ...
... attraction at its surface is 27 times as powerful , as the attraction of the Earth . For light , color , and heat , we are indebted to the Sun's influence . The Sun has THREE motions . ' ( One motion is round the common centre of ...
Page 86
... attraction of magnetism . The feather , suspended near an electrical con- How can the area of surface in a sphere be ... ATTRACTION ? • ductor , is attracted by it . This is termed 86 PHYSICAL ASTRONOMY . - GRAVITATION . Gravitation,
... attraction of magnetism . The feather , suspended near an electrical con- How can the area of surface in a sphere be ... ATTRACTION ? • ductor , is attracted by it . This is termed 86 PHYSICAL ASTRONOMY . - GRAVITATION . Gravitation,
Page 87
... attraction of elec- tricity . The particles of matter in solid bodies , commonly adhere together in a greater or less degree . This is called the attraction of cohesion . Bodies in general , appear to have a tendency to- wards each ...
... attraction of elec- tricity . The particles of matter in solid bodies , commonly adhere together in a greater or less degree . This is called the attraction of cohesion . Bodies in general , appear to have a tendency to- wards each ...
Page 88
... attraction at given dis- tances . By the laws of gravitation , it is estimated that if no force were felt at the Moon but the attraction of the Earth , it would be drawn to its primary in less than 5 days . Were no force but this ...
... attraction at given dis- tances . By the laws of gravitation , it is estimated that if no force were felt at the Moon but the attraction of the Earth , it would be drawn to its primary in less than 5 days . Were no force but this ...
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Common terms and phrases
24 hours 95 millions ABERRATION OF LIGHT altitude angle annular annular eclipse aphelion apparent diameter Aries Astronomy atmosphere attraction axis brass meridian called celestial centre century circle comets constellations degrees density disc Dominical letter double stars east elevated equal Equator estimated fixed stars given place heavenly bodies heavens Herschel horizon illustrate Jupiter Latitude Longitude luminary luminous lunar eclipses magnitude material worlds mean distance Mercury miles the hour millions of miles minutes Moon Moon's motion nearest nodes observation opposite orbit organs of vision parallax perihelion period planets polar pole primary refraction revolution revolves round right ascension rings rising rotation round the Earth round the Sun satellites Saturn set the index solar eclipse solstice southern hemisphere Sun's place supposed surface telescope thousand miles tides tion torrid zone transit of Venus true place turn the globe twilight velocity vernal equinox visible Zodiac
Popular passages
Page 121 - The works of the LORD are great, sought out of all them that have pleasure therein.
Page 136 - Behold I have given you every herb bearing seed, which is upon the face of all the earth, and every tree in the which is the fruit of a tree yielding seed, to you it shall be for meat.
Page 103 - Hitherto shalt thou come and no farther, and here shall thy proud waves be stayed.
Page 2 - BBOWN, of the said district, hath deposited in this office the title of a book, the right whereof he claims as author, in the words following, to wit : " Sertorius : or, the Roman Patriot.
Page 61 - evidence of things not seen," in the fulness of Divine grace ; and was profound on this, the greatest concern of human life, while unable even to comprehend how the " inclination of the earth's axis to the plane of its orbit" could be the cause of the change of the seasons.
Page 115 - Rectify the globe to the latitude of the place; bring the sun's place in the ecliptic to the meridian, and set the index to XII.
Page 104 - These are thy glorious Works, Parent of good, Almighty! thine this universal frame, Thus wondrous fair: thyself how wondrous then, Unspeakable! who sitt'st above these heavens To us invisible, or dimly seen In these thy lowest works; yet these declare Thy goodness beyond thought, and power divine.
Page 138 - Who by searching can find out God ; who can find out the Almighty to perfection...
Page 80 - The squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun.
Page 65 - ... angles. In northern Latitudes, the smallest angle made by the Ecliptic and horizon, is when Aries rises, at which time Libra sets ; the greatest, when Libra rises, at which time Aries sets.