Popular Astronomy: A Series of Lectures Delivered at IpswichMacmillan, 1868 - 292 sider |
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Side 10
... 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 uniform , as regards the speed of any one star in any part of its ...
... 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 uniform , as regards the speed of any one star in any part of its ...
Side 20
... travels from left to right . But on looking into the telescope with an eye - glass , as on the other side of KL , the image of the star is seen travelling from right to left ; and its speed is so much magnified by the magnifying power ...
... travels from left to right . But on looking into the telescope with an eye - glass , as on the other side of KL , the image of the star is seen travelling from right to left ; and its speed is so much magnified by the magnifying power ...
Side 73
... travel on in the same direction towards the west . Now , what is the inference ? Is there any pecu- liarity in the motions ... travels in such a manner , that he goes nearer the North Pole in summer , and further from it in LECTURE II . 73.
... travel on in the same direction towards the west . Now , what is the inference ? Is there any pecu- liarity in the motions ... travels in such a manner , that he goes nearer the North Pole in summer , and further from it in LECTURE II . 73.
Side 74
... travels to the left , and at the same time changes his distance from the North Pole . Now , putting these things together , if we were to dot on the globe a succession of observed places of the sun , we should find they would follow ...
... travels to the left , and at the same time changes his distance from the North Pole . Now , putting these things together , if we were to dot on the globe a succession of observed places of the sun , we should find they would follow ...
Side 78
... travels . Now , this has greater analogy with the motion of the earth than anything else . Another admirable illustration is the motion of a spinning top . I hope I shall not be thought derogating from the dignity of science by giving ...
... travels . Now , this has greater analogy with the motion of the earth than anything else . Another admirable illustration is the motion of a spinning top . I hope I shall not be thought derogating from the dignity of science by giving ...
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Popular Astronomy: A Series of Lectures Delivered at Ipswich George Biddell Airy Uten tilgangsbegrensning - 1868 |
Popular Astronomy: A Series of Lectures Delivered at Ipswich George Biddell Airy Uten tilgangsbegrensning - 1868 |
Vanlige uttrykk og setninger
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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