Astronomy, as it is Known at the Present Day: With an Account of the Nature and Use of Astronomical Instruments, the Manner of Calculating the Notes of the Calendar, the Distances and Magnitudes of the Planets, and a Number of Other Useful and Interesting Calculations in AstronomyW. Cole, 1825 - 166 страница |
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Страница 8
... Angle is the inclination of two lines which meet in a point , and is always some part of a circle ; that is , contains a certain number of degrees , minutes , & c . 10. A Right Angle is the fourth part ... Angle is an Angle which is formed.
... Angle is the inclination of two lines which meet in a point , and is always some part of a circle ; that is , contains a certain number of degrees , minutes , & c . 10. A Right Angle is the fourth part ... Angle is an Angle which is formed.
Страница 9
... Angle is an Angle which is formed by straight lines ; and a Spherical Angle by curve lines . Most of the angles connected with astronomy are spherical angles . 13. The Equinoctial is a great circle in the heavens , equidistant from both ...
... Angle is an Angle which is formed by straight lines ; and a Spherical Angle by curve lines . Most of the angles connected with astronomy are spherical angles . 13. The Equinoctial is a great circle in the heavens , equidistant from both ...
Страница 10
... angles with each other . 28. If the Ecliptic , or earth's Orbit , be supposed to be a thin solid plane extended in ... angle which any orbit makes with the ecliptic , is called the inclination of that orbit . † One half of each orbit ...
... angles with each other . 28. If the Ecliptic , or earth's Orbit , be supposed to be a thin solid plane extended in ... angle which any orbit makes with the ecliptic , is called the inclination of that orbit . † One half of each orbit ...
Страница 38
... angles to its own plane ; and that it is completed in the same time with that of the planet itself , that is , in a little more than 10 hours . The plane of the ring coincides with the equator of Saturn , but it makes an angle with the ...
... angles to its own plane ; and that it is completed in the same time with that of the planet itself , that is , in a little more than 10 hours . The plane of the ring coincides with the equator of Saturn , but it makes an angle with the ...
Страница 41
... angles to the orbit of Uranus ; but what is rather extraordinary , the motion of these satellites is retrograde , or directly the reverse of the other planets and satellites . The distances and periodic times of the satellites are as in ...
... angles to the orbit of Uranus ; but what is rather extraordinary , the motion of these satellites is retrograde , or directly the reverse of the other planets and satellites . The distances and periodic times of the satellites are as in ...
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Astronomy, as It Is Known at the Present Day (Classic Reprint) George G. Carey Приказ није доступан - 2018 |
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altitude angle appear ascertained astronomers atmosphere Aurora Borealis axis calculations called centre circle clouds colours Comets constellation degrees density diameter direction disc discovered diurnal motion Dominical letter earth's orbit eccentric anomaly eclipse equal equator equinox fixed stars following figure glass globe gravity greater greatest heat heavenly bodies heavens height Hence Herschel horizon inferior conjunction Julius Cæsar Jupiter known latitude length light longitude luminous lunar magnitude mean distance Mercury meridian miles minutes moon moon's move nearly night object obliquity observed occasioned opposite parallax passing period phenomena philosophers poles produced Ptolemy quantity of matter rainbow rays refraction retrograde motion revolution round revolve right ascension rise round the earth round the sun satellites Saturn seen shadow shines sidereal solar spherical sun and moon sun's supposed surface telescope tides tion Tycho Tychonic systems Uranus velocity Venus visible
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