Assertion: star's path | /r/HasProperty | traced by the sun
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text: Furthermore, as the axis of rotation of the earth is not normal to the plane of the earth's orbit, the path apparently traced by the sun among the stars on the celestial sphere, called the ecliptic , is a continuous curved line; each year the sun crosses the equator northward on March 21, and reaches a maximum positive declination (about 23.5� N) on June 21.