When Copernicus First Created His Sun- Centered Model of the Universe

question 103

Multiple Choice

When Copernicus first created his Sun- centered model of the universe, it did not lead to substantially better predictions of planetary positions than the Ptolemaic model. Why not?

• A)Copernicus used perfect circles for the orbits of the planets.
• B)Copernicus misjudged the distances between the planets.
• C)Copernicus placed the Sun at the center, but did not realize that the Moon orbits the Earth.
• D)Copernicus placed the planets in the wrong order going outward from the Sun.

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Definitions:

Cassation

The highest level of judicial appeal process where a court's decision can be overturned or annulled, often found in civil law jurisdictions.

Convenience Sample

A sampling method where participants are selected based on their easy accessibility and proximity to the researcher.

Random Sample

A group of people selected from a broader population, where each person has the same likelihood of being chosen.

Stratified Sample

A sampling technique where the population is divided into subgroups (strata) and samples are drawn from each stratum to ensure representation of the whole population.