Astronomy help Reset Help Suggestion that Earth might orbit the Sun Sun-centered

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Astronomy help

Reset Help Suggestion that Earth might orbit the Sun Sun-centered model with elliptical orbits Observations of stellar parallax Mathematical description of how gravity determines planetary orbits Copernicus proposes Sun-centered model Ability to predict planetary positions within a few degrees of arc Ability to predict planetary positions within 1 minute of arc Planetary observations accurate within 1 minute of arc Observation of phases of Venus Recognition that Sun-centered model should lead to stellar parallax Ancient Greece Through Ptolemy (about 150 A. D.) Early Copernican Revolution (about 1543 1600) Later Copernican Revolution (about 1609 1630) Newton and Beyond HI (after about 1687) L PRINCIPI MATHEMATICA IMPRIMATUR PRASES LONDINT

Explanation / Answer

.Ancient Greece through ptolemy(about 150AD): 1. Ability to predict planetary positions within a few degree of arc.

Early Coperniccan revolution(about 1543-1600): 1.Ability to predict planetary position within 1 minute of arc. 2.Copernicus proposes sun centered model. 3.Copernicus proposes sun centered model. 3.Planetary observations accurate within 1 minute of arc. 4.suggestion that earth might orbit the sun.

Later copernican revolution(about 1609-1630): 1.Observation of phases of venus. 2. Sun centered model with elliptical orbit. 3. Mathematical description of how gravity determines planetary orbits.

Newton and beyond (after about 1687): 1. Observation of stellar parallax 2.Recognition that sun centered model should lead to stellar parallax.

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