Popular Astronomy: A Series of Lectures Delivered at IpswichMacmillan, 1868 - 292 sider |
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Side 67
... sun is further off than the moon . There are phenomena called eclipses of the sun . that these correspond to times when the moon ap- parently approaches the sun ; they are undoubtedly caused by the moon passing in front of the sun ...
... sun is further off than the moon . There are phenomena called eclipses of the sun . that these correspond to times when the moon ap- parently approaches the sun ; they are undoubtedly caused by the moon passing in front of the sun ...
Side 68
... sun : in other places the moon covers the sun ; and in other places the moon is seen on the south side of the sun . It follows that the sun is a good deal further off than the moon . Thus it appears that the system of heavenly bodies ...
... sun : in other places the moon covers the sun ; and in other places the moon is seen on the south side of the sun . It follows that the sun is a good deal further off than the moon . Thus it appears that the system of heavenly bodies ...
Side 71
... sun apparently moves through the stars . I have not yet specially alluded to the sun in speaking of revolution ; my remarks on that point referred only to the stars . I am now , however , going to speak of the sun a little , though it ...
... sun apparently moves through the stars . I have not yet specially alluded to the sun in speaking of revolution ; my remarks on that point referred only to the stars . I am now , however , going to speak of the sun a little , though it ...
Side 73
... sun . Our hour of eleven at night is referred by habit to the motion of the sun ; and thus , when we speak of eleven o'clock at night , we mean that the sun is in a certain position ; and , therefore , that the stars have moved in a ...
... sun . Our hour of eleven at night is referred by habit to the motion of the sun ; and thus , when we speak of eleven o'clock at night , we mean that the sun is in a certain position ; and , therefore , that the stars have moved in a ...
Side 74
... sun's path or ecliptic , crosses the equator at two points . One of these is called the First Point of Aries , and this is the sun's apparent place at the beginning of spring ; from this point the sun appears to approach nearer and ...
... sun's path or ecliptic , crosses the equator at two points . One of these is called the First Point of Aries , and this is the sun's apparent place at the beginning of spring ; from this point the sun appears to approach nearer and ...
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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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