Popular astronomy : a concise elementary treatise on the sun, planets, satellites and comets (1865)
Mitchel, O. M. (Ormsby MacKnight), 1809-1862 · New York : Oakley & Mason · leaf 114
n with this extraordinary advance in thedirection towards a full solution of the mysterious move- MARS. 103 ments of this planet, there remained many anomalies ofmotion of a most curious and incomprehensible character.It will be remembered that Copernicus, in adopting thesun as the center of the… … sun there was an approach to and recess from this centralorb, so in the revolution of Mars it was manifest thatthere was a vast difference between the aphelion and peri-helion distances of the planet. The epicycle was thenretained to account for this anomaly in the motion ofMars ; and it will bo…
Astronomy
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