Handbook of AstronomyLockwood & Company, 1875 - 528 |
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Strona vi
... known that many students pass through their educational course without acquiring even a general know- ledge of geometry and algebra . To all such persons , mathe- matical treatises on astronomy must be sealed books . Such students ...
... known that many students pass through their educational course without acquiring even a general know- ledge of geometry and algebra . To all such persons , mathe- matical treatises on astronomy must be sealed books . Such students ...
Strona xix
... . 681. Use of star maps ib . 682. Use of the celestial globe ib . ib . 683. To find the place of an object on the globe when its right ascen sion and declination are known 396 PERIODIC , STARS CHAP . XX . Sect . 684. CONTENTS . xix.
... . 681. Use of star maps ib . 682. Use of the celestial globe ib . ib . 683. To find the place of an object on the globe when its right ascen sion and declination are known 396 PERIODIC , STARS CHAP . XX . Sect . 684. CONTENTS . xix.
Strona xxi
... known . 458 800a . Suggested connection between comets and meteorolites - APPENDIX . ib . 801. Description and use of the Greenwich chronograph - 495 802. Reduction of meridional obser- vations 497 778 Harmonic law deduced from the law ...
... known . 458 800a . Suggested connection between comets and meteorolites - APPENDIX . ib . 801. Description and use of the Greenwich chronograph - 495 802. Reduction of meridional obser- vations 497 778 Harmonic law deduced from the law ...
Strona 2
... known , or can be ascertained by actual measurement , the distances of such inac- cessible objects from the accessible objects , from the observer , and from each other , may be determined by computation . Such dis- tances being once known ...
... known , or can be ascertained by actual measurement , the distances of such inac- cessible objects from the accessible objects , from the observer , and from each other , may be determined by computation . Such dis- tances being once known ...
Strona 7
... placing the cross - wires which are carried by the micrometric screw , on conse- cutive divisions of the limb . Dividing , then , the value in arc be- tween two divisions , which is always known , by. METHODS OF INVESTIGATION . 7.
... placing the cross - wires which are carried by the micrometric screw , on conse- cutive divisions of the limb . Dividing , then , the value in arc be- tween two divisions , which is always known , by. METHODS OF INVESTIGATION . 7.
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altitude aphelion apparent diameter apparent magnitude apparent motion appear ascertained Astronomer Royal astronomical atmosphere attraction axis azimuth bodies C. H. F. Peters celestial equator celestial sphere centre circle clock comet conjunction density determined direction disk diurnal diurnal motion earth ecliptic edge effect elongation Engineering equal equatorial equinoxial points excentricity feet firmament fixed globe greater greatest Greenwich heavens hemisphere Herschel horizon increase inferior conjunction inferior planet instrument interval Jupiter latitude length less light line of collimation longitude lunar mass mean distance measured meridian moon moon's move nearly nebula object Observatory observed orbit parallax pendulum perihelion period phenomena planet Plate polar pole position prime vertical produced ratio represented revolution revolve right angles right ascension ring rotation satellites Saturn seen sidereal solar system sphere spots stars sun's superior conjunction supposed surface synodic period telescope terrestrial tion transit Uranus velocity visible visual wires zenith
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