The Planetarium and Astronomical Calculator |
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Page 18
... consequently 6 signs asunder , ) is called the descending node . * The ecliptic is an imaginary great circle in the Heavens , in the plane of which the earth performs her annual revolutions round the sun . † The node is the intersection ...
... consequently 6 signs asunder , ) is called the descending node . * The ecliptic is an imaginary great circle in the Heavens , in the plane of which the earth performs her annual revolutions round the sun . † The node is the intersection ...
Page 22
... Consequently the northern parts of Venus have Summer , in the signs where those of the earth have Winter , and vice versa . The orbit of Venus is inclined three and one half degrees to the earth's , and crosses it in the 14th degree of ...
... Consequently the northern parts of Venus have Summer , in the signs where those of the earth have Winter , and vice versa . The orbit of Venus is inclined three and one half degrees to the earth's , and crosses it in the 14th degree of ...
Page 27
... consequently one half of her orbit is above the ecliptic , and the other below ; the angle of its obliquity is 5 degrees , and 20 minutes . The Moon has scarcely any difference of seasons , be- cause her axis is nearly perpendicular to ...
... consequently one half of her orbit is above the ecliptic , and the other below ; the angle of its obliquity is 5 degrees , and 20 minutes . The Moon has scarcely any difference of seasons , be- cause her axis is nearly perpendicular to ...
Page 29
... consequently increase with the number of those of the violet , which have been obstructed .—— Hence we discover , that the morning and evening clouds are beautifully tinged with red , that the Sun , Moon and Stars appear of the same ...
... consequently increase with the number of those of the violet , which have been obstructed .—— Hence we discover , that the morning and evening clouds are beautifully tinged with red , that the Sun , Moon and Stars appear of the same ...
Page 35
... consequently his poles are 3,115 miles nearer his centre than his equator . This results from his rapid motion round his axis , for the fluids together with the light particles which they can carry , or wash away with them , recede from ...
... consequently his poles are 3,115 miles nearer his centre than his equator . This results from his rapid motion round his axis , for the fluids together with the light particles which they can carry , or wash away with them , recede from ...
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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