The Geography of the Heavens, and Class Book of Astronomy; Accompanied by a Celestial Atlas |
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Page 66
... orbit of the earth passes through the centre of the constella- tion . As the earth moves round in her orbit from the first point of Aries to the same point again , the sun , in the mean- time , will appear to move through the opposite ...
... orbit of the earth passes through the centre of the constella- tion . As the earth moves round in her orbit from the first point of Aries to the same point again , the sun , in the mean- time , will appear to move through the opposite ...
Page 77
... orbit for a space of 36 ° from the solstitial colure . There are several other double and nebulous stars in this constellation , most of which are too small to be seen ; and in- deed , the whole constellation is less remarkable for the ...
... orbit for a space of 36 ° from the solstitial colure . There are several other double and nebulous stars in this constellation , most of which are too small to be seen ; and in- deed , the whole constellation is less remarkable for the ...
Page 93
... orbit . Its right ascension being 1990 , it will come to our meridian at 9 o'clock about the 28th of May , in that point of the heav- ens where the sun is at noon about the 20th of October . Vindemiatrix , is a star of the 3d magnitude ...
... orbit . Its right ascension being 1990 , it will come to our meridian at 9 o'clock about the 28th of May , in that point of the heav- ens where the sun is at noon about the 20th of October . Vindemiatrix , is a star of the 3d magnitude ...
Page 110
... orbit . It may be recognised by means of a small star , situated about a degree northeast of it , and also by its forming a slight curve with two other stars of the 3d magnitude , situated below it , each about 30 apart . The broad part ...
... orbit . It may be recognised by means of a small star , situated about a degree northeast of it , and also by its forming a slight curve with two other stars of the 3d magnitude , situated below it , each about 30 apart . The broad part ...
Page 118
... orbit to the other ; or which is the same , to determine whether the nearest fixed stars are situated at such an immense distance from the earth , that any star which is seen this night directly north of us , will , six months hence ...
... orbit to the other ; or which is the same , to determine whether the nearest fixed stars are situated at such an immense distance from the earth , that any star which is seen this night directly north of us , will , six months hence ...
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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 Describe 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 mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearly nebulæ night node north pole northern hemisphere observed orbit Orion parallax passing perihelion period Perseus phenomena planets Pleiades polar star position principal star represented revolution revolve right ascension rise satellites Saturn seasons seen side sidereal Sirius situated small stars solar system solstice southern spots Sun's supposed surface Taurus telescope tion triangle Ursa Venus vernal equinox Virgo visible whole number Zeta Zodiac