The Geography of the Heavens: And Class-book of Astronomy; Accompanied by a Celestial Atlas |
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Page iv
... describe the st . as they actually appear to the pupil - taking advantage of those vious and more striking features that serve to identify and to disguish them from all others . Now if these verbal instructions be committed to wri M ...
... describe the st . as they actually appear to the pupil - taking advantage of those vious and more striking features that serve to identify and to disguish them from all others . Now if these verbal instructions be committed to wri M ...
Page v
... describe every visible star in the heavens , assumes a task , in the accomplishment of which , he may well claim some indulgence . The maps which accompany the work , in the outlines and ar- rangement of the constellations , are ...
... describe every visible star in the heavens , assumes a task , in the accomplishment of which , he may well claim some indulgence . The maps which accompany the work , in the outlines and ar- rangement of the constellations , are ...
Page 27
... describe annually among the stars . It crosses the Equinoc- tial , a little obliquely , in two opposite points which are called the Equinoxes . The Sun rises in one of these points on the 21st of March ; this point is called the Vernal ...
... describe annually among the stars . It crosses the Equinoc- tial , a little obliquely , in two opposite points which are called the Equinoxes . The Sun rises in one of these points on the 21st of March ; this point is called the Vernal ...
Page 29
... describe , every hour , for the 24 hours of the day . They are thence soinetimes denominated Hour Circles . In measuring distances and determining positions on the Earth , the equator , and some fixed meridian , as that of Greenwich ...
... describe , every hour , for the 24 hours of the day . They are thence soinetimes denominated Hour Circles . In measuring distances and determining positions on the Earth , the equator , and some fixed meridian , as that of Greenwich ...
Page 32
... Describe the construction and use of the Ce lestial Planisphere . When the pupil is ready to begin the study of the visible heav ens , what is the first step to be taken ? What advantages has the North Polar Star , as a proper starting ...
... Describe the construction and use of the Ce lestial Planisphere . When the pupil is ready to begin the study of the visible heav ens , what is the first step to be taken ? What advantages has the North Polar Star , as a proper starting ...
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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