Geocentric

(adj)

Definition:

1. Referring to the center of the earth in a measurement or observation.

2. Considering the earth as the center of a planetary system.

Synonyms:

Ptolemaic

Antonyms:

heliocentric

Sentences:

1. In ancient times, people believed the solar system was geocentric.

2. The Earth's core can be considered the geocentric part of Earth.

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Geocentric and Heliocentric Theories