The Geography of the Heavens: And Class-book of Astronomy; Accompanied by a Celestial Atlas |
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Page vii
... Equinoxes . Precession of , ........ 262 Seasons , 278 Ecliptic , -Obliquity of .... 269 Taurus , the Bull ,. 52 Eclipses Solar and Lunar , 215 Tides ,. 272 Forces , Attractive and Projectile ,. 260 Gemini , the Twins ...
... Equinoxes . Precession of , ........ 262 Seasons , 278 Ecliptic , -Obliquity of .... 269 Taurus , the Bull ,. 52 Eclipses Solar and Lunar , 215 Tides ,. 272 Forces , Attractive and Projectile ,. 260 Gemini , the Twins ...
Page xviii
... equinoxes , the ab- erration of light , the method of determining the distances and mag- nitudes of the celestial bodies , mean and apparent time , the irregu- larity of the moon's motion , the difficulty of forming adequate ideas of ...
... equinoxes , the ab- erration of light , the method of determining the distances and mag- nitudes of the celestial bodies , mean and apparent time , the irregu- larity of the moon's motion , the difficulty of forming adequate ideas of ...
Page 27
... Equinoxes . The Sun rises in one of these points on the 21st of March ; this point is called the Vernal Equinox . It sets in the opposite point on the 23d of September ; this point is called the Autumnal Equinox . One half of the ...
... Equinoxes . The Sun rises in one of these points on the 21st of March ; this point is called the Vernal Equinox . It sets in the opposite point on the 23d of September ; this point is called the Autumnal Equinox . One half of the ...
Page 28
... equinoxes at Aries and Libra , and is thence called the Equinoctial Colure ; the other passes through the solstitial points or the points of the Sun's greatest declination north and south , and is thence called the Solstitial Colure ...
... equinoxes at Aries and Libra , and is thence called the Equinoctial Colure ; the other passes through the solstitial points or the points of the Sun's greatest declination north and south , and is thence called the Solstitial Colure ...
Page 33
... equinox at the first point of Aries , not only because it is the meridian from which the distances of all the heavenly bodies are measured ; but especially because the student will thus be enabled to observe and compare the progressive ...
... equinox at the first point of Aries , not only because it is the meridian from which the distances of all the heavenly bodies are measured ; but especially because the student will thus be enabled to observe and compare the progressive ...
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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 Delta 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 Mars mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearly nebula 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