Popular Astronomy: A Series of Lectures Delivered at IpswichMacmillan, 1868 - 292 σελίδες |
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... distance of the Sun and Moon , as mysteries beyond ordinary comprehension , based perhaps , upon principles which it is impossible to present to common minds with the smallest probability that they will be under- stood ; if they accept ...
... distance of the Sun and Moon , as mysteries beyond ordinary comprehension , based perhaps , upon principles which it is impossible to present to common minds with the smallest probability that they will be under- stood ; if they accept ...
Σελίδα vii
... distance of the Sun and Moon , as mysteries beyond ordinary comprehension , based perhaps , upon principles which it is impossible to present to common minds with the smallest probability that they will be under- stood ; if they accept ...
... distance of the Sun and Moon , as mysteries beyond ordinary comprehension , based perhaps , upon principles which it is impossible to present to common minds with the smallest probability that they will be under- stood ; if they accept ...
Σελίδα viii
... distance involves no prin- ciple more abstruse than the measure of the distance of a tree on the opposite bank of a river . The principles of construction of the best Astronomical instruments are as simple and as closely referred to ...
... distance involves no prin- ciple more abstruse than the measure of the distance of a tree on the opposite bank of a river . The principles of construction of the best Astronomical instruments are as simple and as closely referred to ...
Σελίδα 19
... distance from the eye . These bars are in reality fine cobweb threads , or something of the kind , fixed in the telescope very near to the eye . Perhaps Figure 7 K Ô FEDCB DOOPR N FIG . 7 . may serve to illustrate the construction of ...
... distance from the eye . These bars are in reality fine cobweb threads , or something of the kind , fixed in the telescope very near to the eye . Perhaps Figure 7 K Ô FEDCB DOOPR N FIG . 7 . may serve to illustrate the construction of ...
Σελίδα 22
... distance AD from the corner A , and the distance ED from the corner E , and describ- ing circles with these sweeps in my compasses from each corner in succession , I should be able to find exactly the position of that speck of dirt . I ...
... distance AD from the corner A , and the distance ED from the corner E , and describ- ing circles with these sweeps in my compasses from each corner in succession , I should be able to find exactly the position of that speck of dirt . I ...
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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