The Planetarium and Astronomical Calculator |
From inside the book
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Page 8
... fixed stars , that if the orbit , in which the earth moves round the sun , were solid , and seen from the nearest star , it would likewise appear no larger than a point ; although it is at least 190 millions of miles in diameter ; for ...
... fixed stars , that if the orbit , in which the earth moves round the sun , were solid , and seen from the nearest star , it would likewise appear no larger than a point ; although it is at least 190 millions of miles in diameter ; for ...
Page 9
... stars , as between the sun from which we receive our light , and those which are nearest to him . Therefore , an observer who is nearest any fixed star , will look upon it alone as a real sun ; and consider the rest as so many shining ...
... stars , as between the sun from which we receive our light , and those which are nearest to him . Therefore , an observer who is nearest any fixed star , will look upon it alone as a real sun ; and consider the rest as so many shining ...
Page 10
... fixed stars ; because we constantly keep near the Sun , in comparison to our immense distance from them . For a spectator placed as near to any star , as we are to the Sun , would see that star to be a body as large and bright as the ...
... fixed stars ; because we constantly keep near the Sun , in comparison to our immense distance from them . For a spectator placed as near to any star , as we are to the Sun , would see that star to be a body as large and bright as the ...
Page 11
... fixed stars , as is evident , from their keeping clear of the attractive power of all the stars , and returning periodically by Sec . 1 11 Of Astronomy in General .
... fixed stars , as is evident , from their keeping clear of the attractive power of all the stars , and returning periodically by Sec . 1 11 Of Astronomy in General .
Page 13
... fixed stars are prodigious spheres shining by their own native light like our Sun , at inconceiv- able distances from each other , as well as from us , it is reasonable to conclude that they are made for simi- lar purposes , each to ...
... fixed stars are prodigious spheres shining by their own native light like our Sun , at inconceiv- able distances from each other , as well as from us , it is reasonable to conclude that they are made for simi- lar purposes , each to ...
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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