Willson, Robert Wheeler, 1853-1922 · Boston, New York Ginn & company · leaf 184
\ ^ March 22 . . 244°. 6 103°. 7 + 0.13 1.10 264°. 1 + 0°.2 April 11 . . 254.8 112.6 -0.16 0.91 273 .7 -0 .3 May 1 263.9 119 .2 0.44 0.75 281 .5 -1 .2 21 . . 271 .4 120.9 0.69 0.60 286.1 -2 .2 June 10 . 277 .8 117 .1 0.90 0.50 287 .4 -3 .4 30 . . 282 .2 108 .0 1.10 0.44 285.0 -4 .8 July 20 . .… … Fig. 89. Path of Mars in the Summer of 1907 172 LABORATORY ASTRONOMY In order to form an idea of the path described by the planetamong the stars, the positions may be plotted on an ecliptic map, asin Fig. 89, which shows the form of the loop in the constellationof Sagittarius. During March the…
Astronomy
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