The Geography of the Heavens, and Class Book of Astronomy: Accompanied by a Celestial Atlas |
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Page 28
... Solstice . The distance of these two points from the equinoctial , is always equal to the obliquity of the ecliptic ... solstice ? What is the winter solstice ? What is their distance from the equator , compared with the obliquity of the ...
... Solstice . The distance of these two points from the equinoctial , is always equal to the obliquity of the ecliptic ... solstice ? What is the winter solstice ? What is their distance from the equator , compared with the obliquity of the ...
Page 68
... solstice , in the tropic of Cancer , just where the sun is on the longest day of the year , and is , inorecver , the dividing limit between the torrid and the N. temperate zone . Propus , also in the ecliptic , 240 W. of Tejat , is a ...
... solstice , in the tropic of Cancer , just where the sun is on the longest day of the year , and is , inorecver , the dividing limit between the torrid and the N. temperate zone . Propus , also in the ecliptic , 240 W. of Tejat , is a ...
Page 72
... solstice , and lasted forty days or until the 14th of September . At present the Dog - days begin on the 3d of July , and continue to the 11th of August , being one day less than the ancients reckoned . Hence , it is plain that the Dog ...
... solstice , and lasted forty days or until the 14th of September . At present the Dog - days begin on the 3d of July , and continue to the 11th of August , being one day less than the ancients reckoned . Hence , it is plain that the Dog ...
Page 73
... solstice , which , then was in the 9th degree of Aquarius , or 390 beyond its present position . Now 39 ° 504 ′′ -2791 years since the time of Hesiod , which corresponds very nearly with history . When a star rose at sun - setting , or ...
... solstice , which , then was in the 9th degree of Aquarius , or 390 beyond its present position . Now 39 ° 504 ′′ -2791 years since the time of Hesiod , which corresponds very nearly with history . When a star rose at sun - setting , or ...
Page 77
... solstice ; from two Latin words signifying the sun's standing still . The distance from the first point of Cancer to the equinoctial , which at present , is 23 ° 27 ′ , is called the obliquity of the ecliptic . It is a remarkable and ...
... solstice ; from two Latin words signifying the sun's standing still . The distance from the first point of Cancer to the equinoctial , which at present , is 23 ° 27 ′ , is called the obliquity of the ecliptic . It is a remarkable and ...
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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 Hydra Jupiter latitude length Libra light longitude maps mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearest nearly nebulæ night node north pole northern observed orbit Orion parallax passing perihelion period Perseus phenomena planets Pleiades polar star principal star represented revolve right ascension rise satellites Saturn seasons seen side sidereal revolution Sirius situated small stars solar system solstice southern hemisphere spots Sun's supposed surface Taurus telescope tion triangle Ursa Ursa Major Venus vernal equinox Virgo visible whole number Zeta Zodiac