The Geography of the Heavens, and Class Book of Astronomy: Accompanied by a Celestial Atlas |
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Page 28
... Colure . The Sun is in the equinoctial points the 21st of March and the 23d of Septem ber . He is in the solstitial ... colure ? What is the solstitial colure ? On what days of the year is the sun in the equinoctial points ? On what days ...
... Colure . The Sun is in the equinoctial points the 21st of March and the 23d of Septem ber . He is in the solstitial ... colure ? What is the solstitial colure ? On what days of the year is the sun in the equinoctial points ? On what days ...
Page 29
... 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 . Longitude on the Earth ...
... 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 . Longitude on the Earth ...
Page 35
... colure . It consists of 66 visible stars , of which three are of the 20 magnitude , and two of the 3d ; most of the rest are small . The stars directly in the zenith , are too small to be seen in the presence of the moon , but the ...
... colure . It consists of 66 visible stars , of which three are of the 20 magnitude , and two of the 3d ; most of the rest are small . The stars directly in the zenith , are too small to be seen in the presence of the moon , but the ...
Page 36
... colure , or first meridian of the heavens , and forms nearly a right line with Algenib in the wing of Pegasus , 140 S. of it , and with Beta in Cassiopeia , 30 ° N. of it . If a line , connecting these three stars , be produced , it ...
... colure , or first meridian of the heavens , and forms nearly a right line with Algenib in the wing of Pegasus , 140 S. of it , and with Beta in Cassiopeia , 30 ° N. of it . If a line , connecting these three stars , be produced , it ...
Page 39
... colure , 30 ° N. of Alpheratz , with which , and the Polar Star , it forms a straight line . [ See note to Androme- da . ] Caph is therefore on the meridian the 10th of Novem- ber , and one hour past it on the 24th . It is the ...
... colure , 30 ° N. of Alpheratz , with which , and the Polar Star , it forms a straight line . [ See note to Androme- da . ] Caph is therefore on the meridian the 10th of Novem- ber , and one hour past it on the 24th . It is the ...
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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 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