The Planetarium and Astronomical Calculator |
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Page 1
... Lunar Eclipses ; being a compilation from various celebrated authors , with Notes , Examples and Interrogations ; prepared for the use of Schools and Academies . BY TOBIAS OSTRANDER , TEACHER OF MATHEMATICS , AND AUTHOR OF THE ELEMENTS ...
... Lunar Eclipses ; being a compilation from various celebrated authors , with Notes , Examples and Interrogations ; prepared for the use of Schools and Academies . BY TOBIAS OSTRANDER , TEACHER OF MATHEMATICS , AND AUTHOR OF THE ELEMENTS ...
Page 2
... Lunar Eclipses ; being a compilation from various celebrated authors , with Notes , Exam- ples and Interrogations ; prepared for the use of Schools and Academies . By TOAIAS OSTRANDER , Teacher of Mathematics , and author of the ...
... Lunar Eclipses ; being a compilation from various celebrated authors , with Notes , Exam- ples and Interrogations ; prepared for the use of Schools and Academies . By TOAIAS OSTRANDER , Teacher of Mathematics , and author of the ...
Page 27
... lunar month . Her mean apparent diameter , as seen from the earth , is 31 minutes and 8 seconds of a degree . The orbit of the Moon , crosses the ecliptic in two opposite points , called the Moon's nodes , consequently one half of her ...
... lunar month . Her mean apparent diameter , as seen from the earth , is 31 minutes and 8 seconds of a degree . The orbit of the Moon , crosses the ecliptic in two opposite points , called the Moon's nodes , consequently one half of her ...
Page 119
... lunar Astronomy he says : But the cause of the Tides of the Sea , appears to be the bo- dies of the Sun and Moon , drawing the waters of the Sea . This hint being given , the immortal Sir Isaac New ton improved it , and wrote so amply ...
... lunar Astronomy he says : But the cause of the Tides of the Sea , appears to be the bo- dies of the Sun and Moon , drawing the waters of the Sea . This hint being given , the immortal Sir Isaac New ton improved it , and wrote so amply ...
Page 122
... lunar month she approach- es nearer to the earth than her mean distance , and re- cedes further from it . When she is nearest , she at- tracts strongest , and so raises the Tides most ; the con- trary happens when she is farthest ...
... lunar month she approach- es nearer to the earth than her mean distance , and re- cedes further from it . When she is nearest , she at- tracts strongest , and so raises the Tides most ; the con- trary happens when she is farthest ...
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Common terms and phrases
angle apogee approach of centres Aries ascending node Astronomers attractive power body calculated centrifugal force Comets conjunction consequently descending diameter as seen difference Dominical letters earth Earth's shadow enter Table equal equator equinox fall fixed stars full Moon Geocentric longitude given gravity greatest grees H M. S. half Heavens heliocentric Herschel horary motion horizon Interrogations for Section Jupiter light longitude lunar Lunar Eclipses mean motion mean new Moon Middle apparent millions of miles minutes Moon in March Moon's mean anomaly Moon's node Moon's orbit Moon's true move nearer north pole Old Style opposite parallax penumbra performs a revolution perigee Pisces planet projectile force rays revolves rise round the Sun satellites Saturn seconds semi-diameter signs and degrees Solar System south pole subtract Sun and Moon Sun's distance Sun's mean anomaly Sun's mean distance Sun's true surface syzygy tance telescope Tides tion velocity Venus visible