The world machine. The first phase: the cosmic mechanism (1907)
Snyder, Carl, 1869-1946 · London, New York [etc.] Longmans, Green, and co. · leaf 97
the angle is no longer the same ; the pole-star is higher uptoward the zenith ; the angle it makes with the plane of thehorizon is greater. As we have calculated the two angles indegrees, then we may subtract the greater from the less ; wedo so, and find that the difference is about ii°.… … Fig. 5. that these 11° are in reality 11° of a great circle of the earth—supposing, of course, that the Christian capital of Constantineis directly north of Cairo (it is a little out). We have thenonly to know the distance we have come to calculate theentire circumference of the circle. This is to…
Cosmology · Celestial mechanics · Science
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