For what stars in the sky of any planet in the solar system will the aberration ellipse turn into a circle? For which stars – in a segment of a great circle?
On Earth, the aberration ellipse for stars located near the poles of the ecliptic turns into a circle with a radius of 20 //, 5; for stars on the ecliptic, the ellipse degenerates into an arc segment of length 41 //.
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