Elements of Astronomy: Descriptive and Physical ... |
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Page 6
... planets , in accelerating or retarding their motions , is better understood in five minutes examination of an Orrery in motion , than in hours or weeks , or perhaps months of mere reading . The use of DIA- GRAMS is often indispensable ...
... planets , in accelerating or retarding their motions , is better understood in five minutes examination of an Orrery in motion , than in hours or weeks , or perhaps months of mere reading . The use of DIA- GRAMS is often indispensable ...
Page 8
... planets , XX . Orbits of the planets , Mutual 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 ...
... planets , XX . Orbits of the planets , Mutual 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 ...
Page 10
... planets , and the Sun had other motions of less regularity , but all acknow- ledging Earth as their centre . Other Egyptian Astronomers soon discovered , that the motions of Mercury and Venus , could not be recon- ciled with the ...
... planets , and the Sun had other motions of less regularity , but all acknow- ledging Earth as their centre . Other Egyptian Astronomers soon discovered , that the motions of Mercury and Venus , could not be recon- ciled with the ...
Page 11
... planets and fixed stars . The PLANETS , though they appear like the fixed stars , are all opaque , or dark bodies , moving in a regular order round the Sun , from west to east , receiving light from that luminary , and shinin only by ...
... planets and fixed stars . The PLANETS , though they appear like the fixed stars , are all opaque , or dark bodies , moving in a regular order round the Sun , from west to east , receiving light from that luminary , and shinin only by ...
Page 12
... planets and the asteroids ? How are planets and satellites distinguished ? How many secondaries are there ? and how are they distributed ?. What is the centre of our system ? What are its dimensions ? What its distance from the Earth ...
... planets and the asteroids ? How are planets and satellites distinguished ? How many secondaries are there ? and how are they distributed ?. What is the centre of our system ? What are its dimensions ? What its distance from the Earth ...
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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.