Lockyer, Norman, Sir, 1836-1920, Seabroke, G. M. (George Mitchell), 1848-1918 · London, Macmillan and co. · leaf 37
laces j^ointed to by the poles of theearth, i.e., round the earths axis. It is now easy to explain the observations referredto by Euclid by supposing the surface of the waterin the tub to represent the plane of the ecliptic, that is,the plane of the path which the sun apparently takesin going round… … ^ ^lulliilliililiiiFig. 5.—^Tlie Plane of tlie Ecliptic, showing the Inclination of the Earths Axis. turning the ball on the wire as an axis to represent thediurnal motion of our earth, how Euclid finds the Bearwhich never sets, being the place in the heavens pointedto by the earths pole; and how…
Astronomy · Telescopes
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