Bouvier's Familiar Astronomy, Or, An Introduction to the Study of the Heavens: Illustrated by Celestial Maps, and Upwards of 200 Finely Executed Engravings, to which is Added a Treatise on the Globes, and a Comprehensive Astronomical Dictionary : for the Use of Schools, Families, and Private StudentsChilds & Peterson, 1857 - 499 σελίδες |
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Σελίδα 177
... DISTANCES of any of the fixed stars accurately known ? A. But few of the stars have been found to have any sensible parallax ; consequently , their distances are not certainly known . Q. At what DISTANCE are the fixed stars supposed to ...
... DISTANCES of any of the fixed stars accurately known ? A. But few of the stars have been found to have any sensible parallax ; consequently , their distances are not certainly known . Q. At what DISTANCE are the fixed stars supposed to ...
Σελίδα 399
... distance B C of the body B from the centre C of the Earth . Thus the distance of B from C may be found by a simple trigonometrical pro- cess , although the point B be inaccessible ; for , by observing B from the two extre- mities of the ...
... distance B C of the body B from the centre C of the Earth . Thus the distance of B from C may be found by a simple trigonometrical pro- cess , although the point B be inaccessible ; for , by observing B from the two extre- mities of the ...
Σελίδα 400
... distance of most of the fixed stars , comparatively few having been found to have any sensible parallax . As far as our observations have extended , the star a Centauri has a greater parallax than any other ; yet its distance is such ...
... distance of most of the fixed stars , comparatively few having been found to have any sensible parallax . As far as our observations have extended , the star a Centauri has a greater parallax than any other ; yet its distance is such ...
Περιεχόμενα
PHYSICAL ASTRONOMY | 15 |
Angular Measurement | 27 |
VLSatellites | 60 |
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Bouvier's Familiar Astronomy, Or an Introduction to the Study of the Heavens ... Hannah Mary Bouvier Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Bouvier's Familiar Astronomy, Or an Introduction to the Study of the Heavens ... Hannah Mary Bouvier Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Συχνά εμφανιζόμενοι όροι και φράσεις
altitude angular appear Argo Navis Aries asteroid astronomical attraction axis azimuth Boötes brass meridian bright star called celestial centre circle comet constella constellation Cor Caroli degrees diameter disc discovered discovery distance double stars Earth Earth's orbit east eclipse equal equator equinoctial equinox figure fixed stars globe gravity heavenly bodies heavens hemisphere horizon hundred instrument Jupiter known latitude longitude lunar magnitude Mars means Mercury month Moon Moon's motion move nebula node northern object observations Observatory orbit parallax parallel passing perihelion period planet Polar pole Pole Star position principal star quadrant rays of light refraction represents revolution revolve round right ascension ring rising round the Sun satellite Saturn seen shadow sidereal Sir William Herschel Sirius situated solar southern constellation sphere Sun's place supposed surface telescope tion transit Uranus Ursa Ursa Major velocity Venus vertical visible zenith zodiac