The Geography of the Heavens: And Class-book of Astronomy; Accompanied by a Celestial Atlas |
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Page xiii
... seen assembling in clusters in the streets , gazing wildly at the sun , ruaning about in wild distraction , and firing volleys of muskets at the sun to frighten away the monster by which they supposed it was about to be devoured . The ...
... seen assembling in clusters in the streets , gazing wildly at the sun , ruaning about in wild distraction , and firing volleys of muskets at the sun to frighten away the monster by which they supposed it was about to be devoured . The ...
Page xxiii
... initiatory books on this subject I have examined ; but such books are now rapidly improving , both as to their general plan , and the interesting nature of their details . I have seen nothing superior in INTRODUCTION . XXH.
... initiatory books on this subject I have examined ; but such books are now rapidly improving , both as to their general plan , and the interesting nature of their details . I have seen nothing superior in INTRODUCTION . XXH.
Page 27
... seen beyond 80 either north or south of the ecliptic . Parallels of Latitude are small circles imagined to be What are the poles of the horizon ? What are vertical circles ? What is the prime vertical ? What is the ecliptic ? What are ...
... seen beyond 80 either north or south of the ecliptic . Parallels of Latitude are small circles imagined to be What are the poles of the horizon ? What are vertical circles ? What is the prime vertical ? What is the ecliptic ? What are ...
Page 28
... seen the obliquity of the ecliptic is continually changing ; therefore the position of the tropies must make a correspondent change . The Colures are two great circles which pass through the poles of the heavens , dividing the ecliptic ...
... seen the obliquity of the ecliptic is continually changing ; therefore the position of the tropies must make a correspondent change . The Colures are two great circles which pass through the poles of the heavens , dividing the ecliptic ...
Page 29
... seen setting in the west ; having in this time , performed one fourth of their apparent annual revo- lution . The following table of sidereal revolutions , shows the difference between solar and sidereal time . The first column contains ...
... seen setting in the west ; having in this time , performed one fourth of their apparent annual revo- lution . The following table of sidereal revolutions , shows the difference between solar and sidereal time . The first column contains ...
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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