The Geography of the Heavens, and Class Book of Astronomy: Accompanied by a Celestial Atlas |
From inside the book
Results 1-5 of 100
Page x
... called the signs of the Zodiac , which they distinguished by names correspond- ing to certain objects and operations connected with the different seasons of the year . Such were the means requisite to be used for ascertaining the length ...
... called the signs of the Zodiac , which they distinguished by names correspond- ing to certain objects and operations connected with the different seasons of the year . Such were the means requisite to be used for ascertaining the length ...
Page 25
... called stars of the first magnitude , the next brightest , stars of the second magnitude , and so on to the sixth class , which consists of the smallest stars visible to the naked eye . In order to be able Why , in entering upon the ...
... called stars of the first magnitude , the next brightest , stars of the second magnitude , and so on to the sixth class , which consists of the smallest stars visible to the naked eye . In order to be able Why , in entering upon the ...
Page 27
... called the Nadir . Vertical Circles are circles drawn through the Zenith and Nadir of any place , cutting the ... called the Equinoxes . The Sun rises in one of these points on the 21st of March ; this point is called the Vernal Equinox ...
... called the Nadir . Vertical Circles are circles drawn through the Zenith and Nadir of any place , cutting the ... called the Equinoxes . The Sun rises in one of these points on the 21st of March ; this point is called the Vernal Equinox ...
Page 28
... called the Sum- mer Solstice ; and that point in the ecliptic which touches the tropic of Capricorn , is called the Winter Solstice . The distance of these two points from the equinoctial , is always equal to the obliquity of the ...
... called the Sum- mer Solstice ; and that point in the ecliptic which touches the tropic of Capricorn , is called the Winter Solstice . The distance of these two points from the equinoctial , is always equal to the obliquity of the ...
Page 29
... called the equinoc . tial colure . Latitude on the Earth , is distance north or south of the equator , and is measured on a meridian . Latitude in the Heavens , is distance north or south of the ecliptic , and at right angles with it ...
... called the equinoc . tial colure . Latitude on the Earth , is distance north or south of the equator , and is measured on a meridian . Latitude in the Heavens , is distance north or south of the ecliptic , and at right angles with it ...
Other editions - View all
Common terms and phrases
3d magnitude 4th magnitude ancient angle appear Arcturus Argo Navis Aries astronomers Auriga axis Beta brightest called Cassiopeia celestial centre Cepheus circle cluster colure comet constellation Cor Caroli declination degree Denebola diameter direction distinguished diurnal motion Earth east ecliptic equal equator equinoctial figure fixed stars Gamma globe head heavenly bodies heavens Hercules Herschel horizon Jupiter latitude length Libra light longitude luminous Mars mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearly nebulæ night node north pole northern hemisphere o'clock observed orbit Orion parallax passing perihelion period Perseus phenomena planets Pleiades polar star principal star represented revolution revolve right ascension rise satellites Saturn seasons seen side sidereal Sirius situated small stars solar system solstice southern spots square Sun's supposed surface Taurus telescope tion triangle Ursa Venus vernal equinox Virgo visible whole number Zeta Zodiac