Berry, Arthur,b. 1862 · London, J. Murray · leaf 205
ove more slowly from a to b, i.e. nearthe suns edge, than from d to e, near the centre. On theother hand, if the spot be a body revolving round the sunat some distance from it, e.g. along the dotted circle c d e,then if c, d, e be taken at equal distances from one another,the apparent motion from c… … Fig. 56.—Galileis proof that sun-spots are not planets. to express these results in a numerical shape, and so toinfer from the actual observations that the spots could notbe more than a very moderate distance from the sun. Theonly escape from this conclusion was by the assumptionthat the spots, if…
Astronomy
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