How were ancient astronomers different from modern day astronomers? Ancient astronomers saw mostly different stars than modern astronomers. Ancient astronomers included religious and esthetic preferences in their model. O Modern astronomers do not observe the stars. O Modern astronomers do not pay attention to the daily motion of the Sun and stars. Question 9 1 pts In Ptolemy’s system the planets orbit the Earth and not the Sun. How did the system explain the retrograde motion of planets like Jupiter? O the planets moved on a small circle whose center, in turn, circled a point near the Earth the planets were not moving along the ecliptic but all over the celestial sphere O the planets moved in very elongated ellipses, and their speed in orbit changed radically over the course of a year the Sun moved among the planets, and pulled them out of their circular orbits Question 10 1 pts What was one of the main reasons that astronomers in the Middle Ages doubted the Geocentric Model? the mathematical calculations were too complicated for them to complete O it failed to accurately predict the positions of the planets O astronomers observed that planets moved in circles O astronomers observed the motion of the Earth

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