Lessons in astronomy including uranography. A brief intoductory course without mathematics (1896)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston, London, Ginn and company · leaf 20
ded that the magnetic needle does not pointexactly north. Its direction varies widely at different parts of the earth,an I, moreover, is continually changing to some extent. §12] DIURNAL ROTATION. 9 the Great Bear (Ursa Major), characterized by the conspicuousgroup of seven stars known as the Great… … C/P $F ^ C^ *M & -& J* *&> vtn Fig. 3. — The Northern Circumpolar Constellations. the Pointers/ because they point to the Pole-star, which is asolitary star not quite half-way from the horizon to the zenith(in the latitude of New York), and about as bright as thebrighter of the two…
Astronomy
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