Physics
Physics, 09.08.2019 06:10, angie0928ag

Explain, according to both geocentric and heliocentric cosmologies, why we see retrograde motion of the planets.

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Physics, 10.07.2019 18:30, supreme18
It could be said that apparent retrograde motion of planets was the straw that broke the geocentric model's back. select all of the following statements that are accurate it would have completely impossible to extend the ptolemaic model to accurately predict apparent retrograde motion. earth exhibits apparent retrograde motion as seen from mars. a heliocentric model easily reproduces appaernt retrograde motion as an inevitable consequence of the orbits of the planets, including earth. mercury exhibits apparent retrograde motion frequently because it is close to the sun and orbiting witha very short orbital period. all the planets exhibit apparent retrograde motion. mars, jupiter, and saturn are the only planets that exhibit apparent retrograde motion. even with very complex epicycles and off-center orbits, accurate predictions of the timing, location and duration of apparent retrograde motion events could not be made using geocentric models.
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Physics, 30.07.2019 23:50, babygurl27732
1) a common surface feature on the terrestrial planets is a) mountains b) volcanoes c) oceans d) earthquakes 2) which scientist determined the planet's orbital shapes and sizes by triangulation? a) brahe b) galileo c) kepler d) tycho 3) scientists used the keck telescope to learn more about the located at the center of the milky way galaxy a) star cluster b) density waves c) black hole d) solar system 4) when the solar system formed, planetesimals collided and merged to form a) protoplanets b) exosolar planets c) planets d) planetoids 5) how is the heliocentric model of the solar system different than the geocentric model? a) the heliocentric model did not include the motion of other planets and the moon b) the heliocentric model did not include the motions of other planets and the moon c) the heliocentric model has planets going around earth; the geocentric model has planets going around the sun d) the heliocentric model has planets going around the sun; the geocentric model has planets going around earth
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Geography, 11.10.2019 23:10, brandiwingard
Match the word with its definition. part a1 . kepler's 1st law of planetary motion 2 . ptolemaic system 3 . geocentric system 4 . heliocentric system 5 . copernican system part ba. a geocentric system b. the system of planets in circular orbits around the sun. c. planets orbit the sun in elliptical orbits with the sun at one focus.d. the system of the planets and sun in orbit around the earth. e. a heliocentric system
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Physics, 28.10.2019 20:31, mommatann
Which model of the solar system best supports retrograde motion of the planets? a. ptolemy's model b. the geocentric model c. the heliocentric model d. an earth-centered model
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