The Planetarium and Astronomical Calculator |
From inside the book
Results 1-5 of 52
Page 9
... equal distances from him in the firmament , By the help of telescopes , we discover thousands of stars which are entirely invisible , without the aid of such instruments , and the better our glasses are , the more become visible . We ...
... equal distances from him in the firmament , By the help of telescopes , we discover thousands of stars which are entirely invisible , without the aid of such instruments , and the better our glasses are , the more become visible . We ...
Page 12
... equal wisdom contrived , situated and provided with accom- modations for the existence of intelligent inhabitants . Let us therefore take a survey of the System to which we belong , the only one accessible to us , and from thence we ...
... equal wisdom contrived , situated and provided with accom- modations for the existence of intelligent inhabitants . Let us therefore take a survey of the System to which we belong , the only one accessible to us , and from thence we ...
Page 27
... equal to a 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 ...
... equal to a 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 ...
Page 28
... equal to 667 and 3-4th of his days ; and every day and night together , being nearly 40 minutes longer than with us . His diameter is computed at 4,189 miles , and by his diurnal rotation , the inhab- itants at his equator are carried ...
... equal to 667 and 3-4th of his days ; and every day and night together , being nearly 40 minutes longer than with us . His diameter is computed at 4,189 miles , and by his diurnal rotation , the inhab- itants at his equator are carried ...
Page 33
... equal , the orbits of these two planets mutually intersect each other ; a phenomenon which is altogether anomalous in the Solar System . Pallas performs its tropical revolution in four years 7 months and 11 days . The distance of this ...
... equal , the orbits of these two planets mutually intersect each other ; a phenomenon which is altogether anomalous in the Solar System . Pallas performs its tropical revolution in four years 7 months and 11 days . The distance of this ...
Other editions - View all
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