The Elements of Astronomy: Designed for Academies and High SchoolsHarper & brothers, 1870 - 254 pages |
Other editions - View all
The Elements of Astronomy: Designed for Academies and High Schools Elias Loomis No preview available - 2018 |
The Elements of Astronomy: Designed for Academies and High Schools Elias Loomis No preview available - 2015 |
Common terms and phrases
altitude angle Anthon's apparent diameter apparent motion appear astronomers atmosphere axis azimuth brass meridian bright called celestial equator celestial sphere centre circle clock Cloth comet computed constellation dark declination degrees density determined difference direction diurnal motion earth earth's surface ecliptic equal Find the sun's fixed stars globe greatest heavenly body heavens hemisphere Hence horizon inferior conjunction inferior planet interval Julian calendar Jupiter latitude length libration light limb longitude luminous magnitude mass mean distance Mercury millions of miles minutes moon moon's move nearly nebulous north pole nucleus observations opposite orbit parallax passes penumbra perihelion period photosphere planet portion position radius refraction revolution revolve right ascension ring rotation satellites seen shadow Sheep extra sidereal solar days solar spots solstice sometimes sphere sun's disc sun's place supposed synodic period tail telescope tide tion transit twilight Uranus velocity vernal equinox vertical visible zodiac
Popular passages
Page 6 - STUDENT'S HISTORY OF ROME. From the EARLIEST TIMES to the ESTABLISHMENT OF THE EMPIRE, With Chapters on the History of Literature and Art. By Dean LIDDELL.
Page 3 - The English Language in its Elements and Forms. With a History of its Origin and Development.
Page 1 - Sallust's Jugurthine War and Conspiracy of Catiline. With an English Commentary, and Geographical and Historical Indexes. New Edition, corrected and enlarged.
Page 7 - Classics, so far as they have been published, will be adopted. These editions have taken their place amongst scholars as valuable contributions to the Classical Literature of this country, and are admitted to be good examples of the judicious and practical nature of English scholarship ; and as the editors have formed their texts from a careful examination of the best editions extant, it is believed that no texts better for general use can be found. The volumes will be well printed at the Cambridge...
Page 55 - According to a law of optics, when a ray of light passes obliquely from a rarer to a denser medium, it is bent toward the perpendicular to the refracting surface.
Page 217 - The names of the signs of the zodiac are: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricornus, Aquarius, and Pisces.
Page 4 - The Child's Book of Nature, for the use of Families and Schools; intended to aid Mothers and Teachers in training Children in the Observation of Nature. In Three Parts.
Page 6 - HISTORY OF ROME; from the Earliest Times to the Establishment of the Empire. By DEAN LIDDELL.
Page 44 - When the instrument has been adjusted, the middle wire mm' will be in the plane of the meridian, and when an object is seen upon it, such object will be on the celestial meridian, and the wire itself may be regarded as a small arc of the meridian rendered visible. The...
Page 83 - Elevate the pole as many degrees above the horizon as are equal to the latitude of the place, and screw the quadrant of altitude on the brass meridian, over that latitude; bring the sun's place in the ecliptic to the brass meridian, and set the index of the...