What modifications did kepler make to copernicus’s model? check all that apply. 1. planetary orbits are elliptical. 2. planets closer to the sun move faster. 3. planets spin in an epicycle while orbiting earth. 4. venus has phases due to its orbiting of the sun. 5. earth’s rotation causes the rising and setting of the sun.

Copernicus theory assumed the Sun to be near the center of the universe and assumed that all the heavenly bodies- the stars and the planets revolved around it in uniform and circular paths.

Kepler supported this model but made a modification. He stated that rather than the circular paths, the bodies moved in elliptical paths. Further, the planets closer to the Sun would move faster than the ones farther away.

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heat the gas and measure the pressure