Monthly Notices of the Royal Astronomical SocietyPriestly and Weale, 1861 |
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Page 25
... orbits . 1845-1852 1845-1850 and the history may be divided into four periods , embracing 1. The origin of the undertaking , and the operations of MM . de Tenner and Struve relating to the arcs of Lithuania and the Baltic Provinces ...
... orbits . 1845-1852 1845-1850 and the history may be divided into four periods , embracing 1. The origin of the undertaking , and the operations of MM . de Tenner and Struve relating to the arcs of Lithuania and the Baltic Provinces ...
Page 31
... orbit , and à fortiori the variation of the position of the ecliptic , and the latitude of the Sun , are neglected ; and the longitudes are mea- sured from a fixed point in the ecliptic . The notation is in the present Abstract ...
... orbit , and à fortiori the variation of the position of the ecliptic , and the latitude of the Sun , are neglected ; and the longitudes are mea- sured from a fixed point in the ecliptic . The notation is in the present Abstract ...
Page 67
... orbit , and should not vary beyond th of its mean value . Le m , m ,, be the secants at which the radiation is r 。, r ,, we have , according to the projection = k , a constant mo - m I I ri quantity , so long as the physical condition ...
... orbit , and should not vary beyond th of its mean value . Le m , m ,, be the secants at which the radiation is r 。, r ,, we have , according to the projection = k , a constant mo - m I I ri quantity , so long as the physical condition ...
Page 70
... orbit the value of a changes , so that with t constant and a variable the proportionate absorp- tion represented by is a constant quantity , but so far as r depends on t the value increases with t , and the causal relation may be ...
... orbit the value of a changes , so that with t constant and a variable the proportionate absorp- tion represented by is a constant quantity , but so far as r depends on t the value increases with t , and the causal relation may be ...
Page 76
... orbit of which is circular . Let xyz be the rectangular co - ordinates of the disturbed body , the orbit of the disturbing planet being taken as the plane of xy , and the Sun as the centre of co - ordinates ; let a ' be the distance of ...
... orbit of which is circular . Let xyz be the rectangular co - ordinates of the disturbed body , the orbit of the disturbing planet being taken as the plane of xy , and the Sun as the centre of co - ordinates ; let a ' be the distance of ...
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Common terms and phrases
2r+g Airy Alhazen Annex appears April Astronomer Royal bright Calculation CAYLEY clock Comet computed corrected crater Decl declination diameter difference distance Ditto ditto edge Ephemeris equations Equatoreal error excentricity eye-piece Greenwich inches aperture instrument July June Jupiter Jupiter's Satellites latitude light limb longitude Lunar m² e m² n² Mars Mean Solar measures Memoir meridian Minor Planets Monthly Notices Moon Moon's Mean Motion N.P.D. from Observation Nautical Almanac nearly Nebula nucleus Number of Observations obtained Occultation orbit parallax perihelion photographs Prof R.A. from Observation Radcliffe Catalogue radiation Right Ascension ring Royal Observatory Saturn Secular Acceleration shadow Sirius Small Planets Society Solar Eclipse soleil stars Struve Sun's disk surface T. W. Webb taches telescope term thermometer tion Transit of Mercury Ursa Variable Variable Stars W. R. Dawes Weisse