noun
a person who believes in or supports a heliocentric theory
adjective
relating to or based on the theory that the sun is the center of the solar system
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The heliocentric model states that the sun is at the center of the solar system.
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Did you know the heliocentric theory says the sun is in the middle?
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The whole heliocentric thing is about the sun being the boss of the planets.
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In a heliocentric perspective, she always felt like the center of the universe.