heliocentrism
- noun
- /ˌhiːliəʊˈsɛntrɪzəm/
- Specialized
- First of all, even truths now universally accepted—such as heliocentrism—were uncertain and sometimes highly controversial when new.
Examples
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Nevertheless, it is true that ecclesial authorities wrongly condemned Galileo's heliocentrism, which was not yet scientifically demonstrated in 1633.
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Heliocentrism was held by many people of the time, including Jesuit priests in good standing.
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According to my history of science text, the first known recorded theory of Heliocentrism was by Aristarchos of Samos in the third century BC.
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The acceptance of heliocentrism changed our understanding of the solar system and how planets move around the Sun.
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Scientists agree that heliocentrism is the correct model for explaining the orbits of planets in our solar system.
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Before heliocentrism became widely accepted, many believed in a geocentric model where Earth was the center of the universe.
Synonyms
A model where the Earth and other planets move around the Sun
The idea that the Sun is at the center and planets move around it
A model that puts the sun at the center of the solar system
Surface Forms
Morphology
heliocentrism = heliocentric (transparent) = helio + centr + ism
Formed by adding the noun-forming suffix '-ism' to 'heliocentric' (sun-centered), so the doctrine/idea sense is directly derived.
Etymology
The word heliocentrism comes from Greek parts helio- meaning 'Sun', centr- meaning 'center', and -ism meaning 'belief' or 'theory'. So heliocentrism is the 'Sun-centered' idea that the planets move around the Sun.