...manner, and upon the principles of the Newtonian theory of attraction, for the periodical variations in the inclination of the earth's axis to the plane of the ecliptic. On the decease of Dr Halley, Mr Bradley was appointed astronomerroyal at Greenwich. He owed this promotion...

...much is it inclined ? What is the consequence of this? What experiment will assist you to conceive of the inclination of the earth's axis, to the plane of the ecliptic ? dition placing a wire, passing through the centre of the object representing the earth, in a direction...

...the earth 103 25. 26. Two views of the earth as seen from the moon 112 27, 28. Diagram illustrative of the inclination of the earth's axis to the plane of the ecliptic . . 117 29. Representation of the seasons 118 30. Figure representing the obliquity of the sun's rays...

...earth 88 25. 26. Two views of the earth as seen from the moon .... 97 27, 28. Diagram illustrative of the inclination of the earth's axis to the plane of the ecliptic 101 29. Representation of the season! 102 30. Figure representing the obliquity of the sun's rays .......

...though not precisely known, is commonly estimated at 75°; which is more than three times as great as the inclination of the Earth's axis to the plane of the ecliptic. The north pole of Venus' axis inclines towards the 20th degree of Aquarius; the Earth's towards the...

...pole in С ; and it is equal to the mean when the node is in the colure of the solstices. This change of the inclination of the earth's axis to the plane of the ecliptic was called the nutation of the axi» by Sir Isaac Newton ; who showed that a change of nearly a second must obtain in a year by the...

...which we shall see presently, inclined alternately to and from the sun, during its annual revolution. The inclination of the earth's axis to the plane of the ecliptic, in connection with its annual revolution, and its diurnal rotation, occasions the phenomena of the...

...winter's sterner blast; and any other figure except its present would have been equally objectionable. But the inclination of the earth's axis to the plane of the ecliptic, or the earth's path in the heavens, by giving an alternate passage to the sun north and south of our...

...sterner blast ; and any other figure except its present would have been equally objectionable. But the inclination of the earth's axis to the plane of the ecliptic, or the earth's path in the heavens, by giving an alternate passage to the sun north and south of our...

...pensive Winter, man Sits at the social board, and happy hears Th' excluded tempest idly rave along." The inclination of the earth's axis to the plane of the ecliptic, causes the diversity of climates, and the great alternations of heat and cold of which we complain;...