Popular Astronomy: A Series of Lectures Delivered at IpswichMacmillan, 1868 - 292 σελίδες |
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Σελίδα 3
... things to show that the alliance between astronomers and mechanics is very close indeed ; and this being the fact , I shall endeavour to do for the mechanics the best in my power . What I offer on this occasion will be offered with ...
... things to show that the alliance between astronomers and mechanics is very close indeed ; and this being the fact , I shall endeavour to do for the mechanics the best in my power . What I offer on this occasion will be offered with ...
Σελίδα 4
... things may be referred to the measure of smaller things ; or to sum up in few words , it will be my object , in an intelligible way , to show the great leading steps of the process by which the distance of the sun and the stars is ...
... things may be referred to the measure of smaller things ; or to sum up in few words , it will be my object , in an intelligible way , to show the great leading steps of the process by which the distance of the sun and the stars is ...
Σελίδα 5
... things as I have pointed out . The next general fact which you will observe is this— that the stars do not rise perpendicularly . They rise obliquely ; and those which rise near to the south or near to the north rise very slantingly ...
... things as I have pointed out . The next general fact which you will observe is this— that the stars do not rise perpendicularly . They rise obliquely ; and those which rise near to the south or near to the north rise very slantingly ...
Σελίδα 8
... things do happen in the way 1 have attempted to describe ; by the observations so made , he will acquire a conviction of the truth far deeper and more lasting than from anything that can be pointed out in a course of Lectures . From ...
... things do happen in the way 1 have attempted to describe ; by the observations so made , he will acquire a conviction of the truth far deeper and more lasting than from anything that can be pointed out in a course of Lectures . From ...
Σελίδα 10
... thing to discover- with what rapidity do the stars turn ? Do some travel quicker than others ? Do some go quickly in one part , and slowly in another ? Now , we have most accurate means of determining whether the speed be irregular or ...
... thing to discover- with what rapidity do the stars turn ? Do some travel quicker than others ? Do some go quickly in one part , and slowly in another ? Now , we have most accurate means of determining whether the speed be irregular or ...
Άλλες εκδόσεις - Προβολή όλων
Popular Astronomy: A Series of Lectures Delivered at Ipswich George Biddell Airy Πλήρης προβολή - 1868 |
Popular Astronomy: A Series of Lectures Delivered at Ipswich George Biddell Airy Πλήρης προβολή - 1868 |
Συχνά εμφανιζόμενοι όροι και φράσεις
aberration of light accurate angle angular distance appear ascertain astronomers ball body bright star calculation Cambridge Cape Cavendish experiment celestial clock cloth College computed Crown 8vo curve described diameter direction disturbed earth earth's axis earth's centre earth's equator ecliptic Edition effect ellipse endeavoured equatoreal exactly explain Fcap Figure fluid globe Greenwich heavens horizon hour inclination Jupiter lecture length lunar precession Mars mean density method millions of miles moon mountain move Mural Circle nearly North Pole nutation object observations Observatory orbit parallax passes the meridian path pendulum perpendicular planets plumb-line point of Aries Polar Star position precession produced proportion pull refraction remark revolve rotation round the sun satellites seen sidereal day solar South Pole spheroid square sun's attraction sun's distance suppose supposition surface tance telescope thing tion transit instrument transit of Venus TREATISE triangle velocity vertical vibrations whole yard measure Zenith Sector
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